**3. Participants**

The study was conducted at an Oncology clinic of the private health sector in Manaus-AM. The physicians were chosen to participate if they had a specialty, clinical or surgical, and at least three years of experience in their areas.

The subjects were 15 physicians working in the following specialties: Clinical Oncology (1), Radio-Oncology (3), Mastology (3), Hematology (1), Gastroenterology (1), Head and Neck Surgery (1), Digestive Tract Surgery (1), Orthopedics (1), Geriatrics (2), and Thoracic Surgery (1). Exclusion criteria were physicians not involved in the clinical care of adult patients, specialists with less than 3 years of practical clinical activity, and physicians caring exclusively for pregnant or puerperal women, children, and patients in the intensive care unit (ICU).
