1. Department of Dermatology Canarias University Hospital San Cristóbal de La Laguna Spain
2. Department of Dermatology Nuestra Señora de Candelaria University Hospital Santa Cruz de Tenerife Spain
3. Department of Dermatology Coruña University Hospital A Coruña Spain
4. Department of Allergy Canarias University Hospital San Cristóbal de La Laguna Spain