Step 1: Choose anatomical location (eg knee)

Step 2: Identify PROMs meant for the relevant condition in the development table (eg ACL injury in Table S7)

Step 3: Identify PROMs in your language (eg KNEES‐ACL, IKDC, KOOS, Lysholm)

Step 4: Identify PROMs that have construct validity for the relevant condition (eg ACL injury in Table S16). If there is a PROM with studies rated “High” for the relevant condition, it should be preferred over PROMs with no quality rating or the rating “Low.” If there is no PROM with studies of “High” quality, PROMs with higher rated studies might be preferable, but candidates should be assessed by reading the development and validation articles (which are referred in the tables)

Step 5: Check for updated validations, for instance, in PubMed