This contains: 1. medical practitioners in various areas such as: general practitioners, dermatologists, gynecologists, obstetricians, pediatricians, neurologists, ophthalmologists, optometrists, general internists, otorhinolaryngologists, endocrinologists, gastro-enterologists, cardiologists, nephrologists, urologists, orthopedists, hematologists, oncologists, allergologists, infectologists, anesthesiologists, radiologists, general dentists, endodontists, orthodontists, prosthodontists, periodontists, pediatric dentists, psychiatrists, surgeons (general, vascular, thoracic, visceral, neurological, oral and maxillofacial, plastic) therapists, psychologists, chiropractors, alternative medicine practitioners, etc.; 2. hospital and clinic directors and administrators; 3. pharmacists; 4. medical faculty members; 5. manufacturers and sellers of medical equipment and supplies.