The following fields are counted as subspecialties:
Anesthesiology, Dermatology, Emergency Medicine, Neurology,
Neurosurgery, Obstetrics and Gynecology, Ophthalmology, Orthopedics,
Otolaryngology, Pathology, Psychiatry, Physical Medicine & Rehabilitation, Radiation Oncology, Radiology, Plastic Surgery,
Cardiothoracic Surgery, Urology, Medical and Pediatric Subspecialties
(e.g. GI, ID, Cardiology, Rheumatology, Heme-Onc, etc.).