1. Cosmetic Laser Dermatology San Diego California USA
2. Private Practice Medellin Colombia
3. Ophthalmology Department University of Puerto Rico School of Medicine San Juan Puerto Rico
4. Jose Raul Montes Eyes & Facial Rejuvenation San Juan Puerto Rico
5. Mayo Clinic Rochester Minnesota USA
6. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology University of Illinois at Chicago Chicago Illinois USA