1. Australian Physiotherapy Council. Standard 8, Evaluate the effectiveness and efficiency of physiotherapy interventions. Australian Standards for Physiotherapy, 2009.
2. Health Professions Council. 2C, Critical evaluation of the impact of, or response to, the registrant’s actions. Standards of Proficiency – Physiotherapists. London: Health Professions Council; 2007. p. 10–11.
3. WHO. International classification of functioning, disability and health (ICF) 2001 [accessed 2009 May 5]. Available from: http://www.who.int/classifications/icf/en/.
4. How a well-grounded minimal important difference can enhance transparency of labelling claims and improve interpretation of a patient reported outcome measure