1 From the Department of Dermatology, Hospital General Universitario de Alicante, Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL-FISABIO Foundation).
2 Department of Dermatology, Hospital General Universitario Gregorio Marañón, Madrid.
3 Department of Dermatology, Hospital General Universitario Reina Sofía, Murcia, Spain.