A. Alikhan, P. J. Lynch, and D. B. Eisen, Hidradenitis suppurativa: a comprehensive review, J Am Acad Dermatol, vol.60, pp.62-65, 2009.

P. Wolkenstein, A. Loundou, K. Barrau, P. Auquier, and J. Revuz, Quality of life impairment in hidradenitis suppurativa: a study of 61 cases, J Am Acad Dermatol, vol.56, pp.621-624, 2007.

R. Paus, H. Kurzen, I. Kurokawa, G. B. Jemec, L. Emtestam et al., What causes hidradenitis suppurativa?, Exp Dermatol, vol.17, pp.455-461, 2008.

A. E. Pink, M. A. Simpson, G. W. Brice, C. H. Smith, N. Desai et al., PSENEN and NCSTN mutations in familial hidradenitis suppurativa (acne inversa), J Invest Dermatol, vol.131, pp.1568-70, 2011.

S. Miskinyte, A. Nassif, F. Merabtene, M. N. Ungeheuer, O. Join-lambert et al., Nicastrin mutations in French families with hidradenitis suppurativa, J Invest Dermatol, vol.132, pp.1728-1758, 2012.

A. S. Highet, R. E. Warren, and A. J. Weekes, Bacteriology and antibiotic treatment of perineal suppurative hidradenitis, Arch Dermatol, vol.124, pp.1047-51, 1988.

J. Lapins, C. Jarstrand, and L. Emtestam, Coagulase-negative staphylococci are the most common bacteria found in cultures from the deep portions of hidradenitis suppurativa lesions, as obtained by carbon dioxide laser surgery, Br J Dermatol, vol.140, pp.90-95, 1999.

K. Sartorius, H. Killasli, C. Oprica, A. Sullivan, and J. Lapins, Bacteriology of hidradenitis suppurativa exacerbations and deep tissue cultures obtained during carbon dioxide laser treatment, Br J Dermatol, vol.166, pp.879-83, 2012.

G. Gener, F. Canoui-poitrine, J. E. Revuz, F. O. Poli, F. Gabison et al., Combination therapy with clindamycin and rifampicin for hidradenitis suppurativa: a series of 116 consecutive patients, Br J Dermatol, vol.219, pp.49-58, 2009.

H. J. Hurley, Axillary hyperhidrosis, apocrine bromhidrosis, hidradenitis suppurativa, and familial benign pemphigus: surgical approach, Roegnigk & Roegnigk's dermatologic surgery: principles and practice, pp.623-668, 1996.

E. Bille, B. Dauphin, J. Leto, M. E. Bougnoux, J. L. Beretti et al., MALDI-TOF MS Andromas strategy for the routine identification of bacteria, mycobacteria, yeasts, Aspergillus spp. and positive blood cultures, Clin Microbiol Infect, vol.18, pp.1117-1142, 2012.

N. Fierer, M. Hamady, C. L. Lauber, and R. Knight, The influence of sex, handedness, and washing on the diversity of hand surface bacteria, Proc Natl Acad Sci U S A, vol.105, pp.17994-18003, 2008.

J. G. Caporaso, J. Kuczynski, J. Stombaugh, K. Bittinger, F. D. Bushman et al., QIIME allows analysis of high-throughput community sequencing data, Nat Methods, vol.7, pp.335-341, 2010.

R. C. Edgar, Search and clustering orders of magnitude faster than BLAST, Bioinformatics, vol.26, pp.2460-2461, 2010.

Q. Wang, G. M. Garrity, J. M. Tiedje, and J. R. Cole, Naive Bayesian classifier for rapid assignment of rRNA sequences into the new bacterial taxonomy, Appl Environ Microbiol, vol.73, pp.5261-5268, 2007.

J. H. Ward, Hierarchical grouping to optimize an objective function, Journal of the American Statistical Association, vol.58, pp.236-280, 1963.

A. S. Highet, R. E. Warren, R. C. Staughton, and S. O. Roberts, Streptococcus milleri causing treatable infection in perineal hidradenitis suppurativa, Br J Dermatol, vol.103, pp.375-82, 1980.

L. Bieber and G. Kahlmeter, Staphylococcus lugdunensis in several niches of the normal skin flora, Clin Microbiol Infect, vol.16, pp.385-393, 2010.

K. L. Frank, D. Pozo, J. L. Patel, and R. , From clinical microbiology to infection pathogenesis: how daring to be different works for Staphylococcus lugdunensis, Clin Microbiol Rev, vol.21, pp.111-144, 2008.

F. Vandenesch, S. J. Eykyn, J. Etienne, and J. Lemozy, Skin and post-surgical wound infections due to Staphylococcus lugdunensis, Clin Microbiol Infect, vol.1, pp.73-77, 1995.

D. A. Murdoch, Gram-positive anaerobic cocci, Clin Microbiol Rev, vol.11, pp.81-120, 1998.

B. Mejàre and S. Edwardsson, Streptococcus milleri (Guthof); an indigenous organism of the human oral cavity, Arch Oral Biol, vol.20, pp.757-62, 1975.

J. E. Clarridge, . Iii, and Q. Zhang, Genotypic diversity of clinical Actinomyces species: phenotype, source, and disease correlation among genospecies, J Clin Microbiol, vol.40, pp.3442-3450, 2002.

I. Brook, The role of anaerobic bacteria in cutaneous and soft tissue abscesses and infected cysts, Anaerobe, vol.13, pp.171-178, 2007.

I. Brook and E. H. Frazier, Aerobic and anaerobic microbiology of axillary hidradenitis suppurativa, J Med Microbiol, vol.48, pp.103-108, 1999.

I. Brook, Secondary bacterial infections complicating skin lesions, J Med Microbiol, vol.51, pp.808-820, 2002.

H. Nagashima, A. Takao, and N. Maeda, Abscess forming ability of Streptococcus milleri group: synergistic effect with Fusobacterium nucleatum, Microbiol Immunol, vol.43, pp.207-223, 1999.

J. Belko, D. A. Goldmann, A. Macone, and A. K. Zaidi, Clinically significant infections with organisms of the Streptococcus milleri group, Pediatr Infect Dis J, vol.21, pp.715-738, 2002.

T. Hirai, S. Kimura, and N. Mori, Head and neck infections caused by Streptococcus milleri group: an analysis of 17 cases, Auris Nasus Larynx, vol.32, pp.55-63, 2005.

G. B. Jemec, M. Faber, E. Gutschik, and P. Wendelboe, The bacteriology of hidradenitis suppurativa, Dermatology, vol.193, pp.203-209, 1996.

E. P. Bonnet, S. Arista, M. Archambaud, B. Boot, D. Clave et al., Streptococcus milleri group infection associated with digestive fistula in patients with vascular graft: report of seven cases and review, Infection, vol.35, pp.182-187, 2007.

C. D. Sibley, K. A. Sibley, T. A. Leong, M. E. Grinwis, M. D. Parkins et al., The Streptococcus milleri population of a cystic fibrosis clinic reveals patient specificity and intraspecies diversity, J Clin Microbiol, vol.48, pp.2592-2596, 2010.

V. Hall, Actinomyces-gathering evidence of human colonization and infection, Anaerobe, vol.14, pp.1-7, 2008.

L. J. Sabbe, D. Van-de-merwe, L. Schouls, A. Bergmans, M. Vaneechoutte et al., Clinical spectrum of infections due to the newly described Actinomyces species A. turicensis, A. radingae, and A. europaeus, J Clin Microbiol, vol.37, pp.8-13, 1999.

A. E. Zautner, S. Schmitz, C. Aepinus, A. Schmialek, and A. Podbielski, Subcutaneous fistulae in a patient with femoral hypoplasia due to Actinomyces europaeus and Actinomyces turicensis, Infection, vol.37, pp.289-91, 2009.

A. Von-graevenitz, Actinomyces neuii: review of an unusual infectious agent, Infection, vol.39, pp.97-100, 2011.

C. Beguelin, D. Genne, A. Varca, M. L. Tritten, H. H. Siegrist et al., The effect of combined treatment with oral clindamycin and oral rifampicin in patients with hidradenitis suppurativa, Clin Microbiol Infect, vol.17, pp.143-150, 2009.