RT Journal Article SR Electronic T1 COVID-19 JF Journal of ISAKOS: Joint Disorders & Orthopaedic Sports Medicine JO J ISAKOS FD BMJ Publishing Group Ltd SP 115 OP 116 DO 10.1136/jisakos-2020-000472 VO 5 IS 3 A1 Van Dijk, C Niek YR 2020 UL http://jisakos.bmj.com/content/5/3/115.abstract AB