Protocol for a prospective, longitudinal cohort study on the effect of arterial disease level on the outcomes of supervised exercise in intermittent claudication: the ELECT Registry
Marijn ML van den Houten, Sandra CP Jansen, Anneroos Sinnige, Lijckle van der Laan, Patrick WHE Vriens, Edith M Willigendael, Jan-Willem HP Lardenoije, Jan-Willem M Elshof, Eline S van Hattum, Maarten A Lijkwan, Ivan Nyklíček, Ellen V Rouwet, Mark JW Koelemay, Marc RM Scheltinga, Joep AW Teijink
BMJ Open Feb 2019, 9 (2) e025419; DOI: 10.1136/bmjopen-2018-025419