The SF-36 is a widely used general HRQOL tool, with extensive validity and reliability and responsiveness across many populations (38, 39). The SF-36 is a 36 question survey used to describe overall health status. It has 8 subscales (physical functioning, role limitations, bodily pain, general health perception, vitality, social function, role limitation as a result of emotional problems, and general mental health). It takes 5-10 minutes to complete and can be used with persons 14 and older.