title: A new basic science journal for ESSKA.
authors.affiliation: Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden. jon.karlsson@telia.com.
authors.forename: Jon
authors.initials: J
authors.lastname: Karlsson
authors.affiliation: Orthopaedic Department of Minho University, Portugal. jem@espregueira.com.|Knee Surgery and Arthroscopy, (ESSKA), European Society of Sports Traumatology, Spain. jem@espregueira.com.|Education Committee of the International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine, (ISAKOS), France. jem@espregueira.com.|Mendes Sports Medicine Centre, FIFA Medical Centre of Excellence, FC Porto Stadium, Spain. jem@espregueira.com.|Porto University, Portugal. jem@espregueira.com.|Minho University, Portugal. jem@espregueira.com.
authors.forename: João
authors.initials: J
authors.lastname: Espregueira-Mendes
authors.affiliation: Department of Orthopaedic Surgery, Academic Medical Center, University of Amsterdam, Meibergdreef 9, Amsterdam, 1105, AZ, The Netherlands. c.n.vandijk@amc.uva.nl.
authors.forename: C Niek
authors.initials: CN
authors.lastname: van Dijk