Response to letter by Lo et al.: Investigating seasonal association between vitamin D concentration, muscle mass and strength in postmenopausal women: a critical analysis
1 Leicester Diabetes Centre, University of Leicester, Leicester, UK.
2 Department of Nutritional Sciences, University of Surrey, Guildford, Surrey GU2 7XH, UK.
3 Biosciences & Medicine, University of Surrey Ringgold Standard Institution, Guildford, Surrey GU2 7XH, UK.
4 School of Sport, Exercise and Rehabilitation Sciences, MRC-Arthritis Research UK Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK.