A questionnaire was sent out by e-mail to professional physiotherapists registered with the Icelandic Physiotherapy Association and to students in the third and fourth year of their physiotherapy studies.
Spurningalisti var sendur með tölvupósti til starfandi sjúkraþjálfara í Félagi sjúkraþjálfara á Íslandi og þriðja og fjórða árs nema í sjúkraþjálfun.