1 Department of Dermatology, State University of Rio de Janeiro, Rio de Janeiro, Brazil.
2 Department of Dermatology, Hospital Central Do Exército, Rio de Janeiro, Brazil.
3 Preventive and Social Medicine Department, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
4 Department of Experimental, Diagnostic and Specialty Medicine Alma Mater Studiorum, University of Bologna, Bologna, Italy.
5 Dermatology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.
6 Grupo MCI (Integral Hair Medicine), Private Dermatology Practice, Buenos Aires, Argentina.
7 Centro de Tricologia y Transplante Capilar Dr Miguel Marti, Buenos Aires, Argentina.
8 Department of Dermatology, Instituto de Dermatologia Professor Rubem David Azulay, Santa Casa de Misericórdia, Rio de Janeiro, Brazil.
9 Trichology Clinic, Dermatology Department, Dr Manuel Gea Gonzalez General Hospital, Mexico City, Mexico.
10 Department of Dermatology, Clinical Hospital of the University of São Paulo, São Paulo, Brazil.
11 Dermatology Department, Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigación Sanitaria, Universidad de Alcalá, Madrid, Spain.
12 Department of Infectious Diseases and Clinical Immunology, V. N. Karazin Kharkiv National University, Kharkiv, Ukraine.
13 Center of Hair Treatment and Transplantation, Saint Petersburg, Russia.
14 Dermatology Department, Bonsucesso Federal Hospital, Rio de Janeiro, Brazil.
15 Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, Florida, USA.
16 Department of Dermatology, University of State of Pará - UEPA, Belém, Brazil.
17 Departament of Dermatology, Centro Universitário Do Pará (CESUPA), Belém, Brazil.