Table 2.

Population, concept, context, inclusion and exclusion criteria applied to database search

PCC	Inclusion criteria	Exclusion criteria
Population	• Junior physicians, residents, and medical students in Internal Medicine and its specialities, as delineated by the American College of Physicians including Allergy and Immunology, Clinical Medicine, Community Medicine, Dermatology, General Practice, Geriatrics, Hospital Medicine, Neurology, Palliative Medicine, Cardiology, Endocrinology, Gastroenterology, Haematology, Immunology, Infectious Disease, Nephrology, Respiratory Medicine, and Rheumatology	• Clinical specialties not associated with Internal Medicine such as surgical specialties, Paediatrics, Emergency Medicine, Obstetrics and Gynaecology, and Clinical and Translational Science
Concept	• Accounts of mentoring • Theories of mentoring involving junior physicians, residents and/or medical students mentored by senior clinicians aimed at advancing the professional and/or personal development of the mentee. • The theories and accounts should include, but are not limited to explaining: o Mentoring processes o Mentoring relationship o Host organization o Outcomes of mentoring o Barriers to mentoring o Mentoring structure o Mentoring framework o Mentoring culture o Mentoring environment	• Mentoring for leadership, mentoring patients, or mentoring by patients, interdisciplinary mentoring • Supervision, coaching, role-modeling, advising, and sponsorship
Context	• Personal outcomes of mentoring • Professional development outcomes • Career related outcomes • Research and academia outcomes	• Studies where mentoring outcomes were not the main component evaluated