Principles of patient-focused therapy -- Cardiovascular disorders -- Respiratory disorders -- Gastrointestinal disorders -- Renal disorders -- Neurologic disorders -- Psychiatric disorders -- Endocrinologic disorders -- Women's health (gynecologic disorders) -- Urologic disorders -- Immunologic disorders -- Bone and joint disorders -- Disorders of the eyes, ears, nose, and throat -- Dermatologic disorders -- Hematologic disorders -- Infectious disorders -- Oncologic disorders -- Nutrition and nutritional disorders -- Complementary and alternative therapies (Level III).