Aimilios Lallas, MD, MSc, PhD, is a dermatologist at the First Department of Dermatology, Aristotle University of Thessaloníki, Greece; he has published extensively on the use of newer technologies such as dermoscopy and reflectance confocal microscopy to investigate and monitor dermatologic disease. Enzo Errichetti, MD, MSc, DVD, is a Consultant Dermatologists and Venereologists at the Institute of Dermatology, "Santa Maria della Misericordia" University Hospital of Udine, Italy; his main research area is represented by the use of dermoscopy in the diagnosis and monitoring of non-tumoral dermatological diseases.