2 TENDINopathy Severity assessment – Achilles (TENDINS-A): evaluation of reliability and validity in accordance with COSMIN recommendations - Paola Chivers; Peter Malliaras; Robert-Jan de Vos; Ebonie Rio; Dana Hince; Myles Murphy; Sophia Nimphius; Nicola Maffuli; Nonhlanhla Mkumbuzi; Fergus McCleary; Ruth Chimenti; Turner Vosseller (BMJ Open Sport & Exercise Medicine, 2024)