supplemental – Supplemental material for Reporting on the level of validity and reliability of questionnaires measuring Katakori severity: A systematic review AokiKaori HallToby TakasakiHiroshi 2019 <p>Supplemental material, supplemental for Reporting on the level of validity and reliability of questionnaires measuring Katakori severity: A systematic review by Kaori Aoki, Toby Hall and Hiroshi Takasaki in SAGE Open Medicine</p>