||Doctor Cohen received his medical degree from the Faculty of Medicine of the University of Panama in 1970. In 1976 completed a residency in General Surgery at the Gorgas Memorial Hospital, in Panama. In the same year, attended a course of the American Academy of Otolaryngology, in Las Vegas, Nevada. In 1977, attended the Symposium on Neurological Ear Surgery, in Sarasota, Florida and a course in Ear Surgery in 3D, in Tampa, Florida. In the same year, attended a course in Head and Neck Anatomy and Clinical Otolaryngology, at the Indiana University School of Medicine. In 1979 completed a residency in Otorrhinolaryngology at the University of South Florida Affiliated Hospitals, in Tampa, Florida. Also, in the same year, attended a Temporal Bone Course, in Tampa. In 1982, attended The Mount Sinai School of Medicine Rhinoplasty and Otoplasty course. In 1983, attended a course in Oral Cancer, Diagnostic and Treatment. In 1984, attended a course in Office Surgery in otolaryngology, in Texas.