**Author details**

María Librada Porriño-Bustamante1,2\* and María Antonia Fernández-Pugnaire3

1 Dermatology Department, University Hospital La Zarzuela, Madrid, Spain

2 Trichology Unit, Pedro Jaén Group, Madrid, Spain

3 Dermatology Department, University Hospital San Cecilio, Granada, Spain

\*Address all correspondence to: mporrinobustamante@gmail.com

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