1. WHOQoL measuring quality of life from division of mental health and prevention of substance abuse,1997
2. Quality of life studies: definitions and conceptual issues;Schipper,1996
3. Measurement of vital signs for skin diseases;Chren;J Invest Dermatol,2005
4. Defining patient-reported outcomes;Doward;Value Health,2004
5. Health status: what does it mean for payers and patients?;Jones;Proc Am Thorac Soc,2006