Elkins, Mark R.: - Associate Professor Mark Elkins (PhD, MHSc, BA, BPhty) is based in Sydney, Australia, where he is a Senior Research Physiotherapist in the Department of Respiratory Medicine at Royal Prince Alfred Hospital and a Clinical Associate Professor in the Faculty of Medicine at University of Sydney. He is also the Scientific Editor of the Journal of Physiotherapy (Elsevier). Mark is a co-director of the Centre for Evidence-Based Physiotherapy, which maintains the Physiotherapy Evidence Database (PEDro; www.pedro.org.au), which hosts over 1.5 million searches per year.