Yoandy López de la Cruz1,2, Laura B Pérez-Machado3. 1. Department of Cardiovascular Surgery, Santa Clara Cardiac Center, "July 26" Ave., No. 306, Apt. 18, Villa Clara, 50 200, Santa Clara, Cuba. yoandylc@infomed.sld.cu. 2. Department of Plastic Surgery, Arnaldo Milian Castro University Hospital, Santa Clara, Cuba. yoandylc@infomed.sld.cu. 3. Department of Plastic Surgery, Arnaldo Milian Castro University Hospital, Santa Clara, Cuba.