LaaksoL.White Paper re: developing multi-centre international PBM trials. Available at: https://walt.no/wp-content/uploads/2017/08/91274c53-9e66-4705-a04b-e4b0733147cf.pdf (Last accessed November29, 2018).
4.
HeiskanenV.Low level laser therapy (LLLT)/photobiomodulation (PBM)/red/NIR phototherapy studies—a comprehensive database. Available at: https://docs.google.com/spreadsheets/d/1ZKl5Me4XwPj4YgJCBes3VSCJjiVO4XI0tIR0rbMBj08/edit#gid=0 (Last accessed on November29, 2018).