Response to "letter to editor effect of a brief progressive resistance training program in hospital porters on pain, work ability and physical function"
1 Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia, Spain; Department of Physiotherapy, University of Malaga, Malaga, Spain. Electronic address: https://twitter.com/adrianescriche.
2 Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia, Spain; National Research Centre for the Working Environment, Copenhagen, Denmark. Electronic address: joaquin.calatayud@uv.es.
3 National Research Centre for the Working Environment, Copenhagen, Denmark; Sport Sciences, Department of Health Science and Technology, Aalborg University, Denmark. Electronic address: https://twitter.com/LarsLAndersen.
4 Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia, Spain. Electronic address: https://twitter.com/YasEzzatvar.
5 Exercise Intervention for Health Research Group (EXINH-RG), Department of Physiotherapy, University of Valencia, Spain. Electronic address: https://twitter.com/CasanaJose.