1. Pathology Department; Hospital Universitario Marqués de Valdecilla; Santander Spain
2. Pathology Department; Fundación Jiménez Díaz; Madrid Spain
3. Haematology Department; Hospital Universitario Marqués de Valdecilla; Santander Spain
4. Pathology Department; Hospital SAS Jerez; Cádiz Spain
5. Dermatology Department; Hospital General Universitario de Valencia; Valencia Spain