NATALIE KALFAS and DIANA SIVADON have joined Advanced Facial Cosmetic and Laser Surgery Center Inc. in Vero Beach as registered nurse and licensed cosmetologist, respectively. Kalfas handles patient care, including operating and recovery room nursing, as well as private duty nursing. She was most recently an emergency room nurse at Holmes Regional Medical Center. Sivadon provides pre- and post-operative skin care treatments and applies permanent make-up. .