Reply from Ross D. Pollock, Norman R. Lazarus, Janet M. Lord and Stephen D. R. Harridge

Affiliations

• ¹ Centre of Human and Aerospace Physiological Sciences, King's College London, Shepherds House, Guy's Campus, London, SE1 1UL, UK. ross.pollock@kcl.ac.uk.
• ² Centre of Human and Aerospace Physiological Sciences, King's College London, Shepherds House, Guy's Campus, London, SE1 1UL, UK.
• ³ MRC-ARUK Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, B15 2TT UK.