Analyzing repeated data collected by mobile phones and frequent text messages. An example of Low back pain measured weekly for 18 weeks

Rest versus exercise as treatment for patients with low back pain and Modic changes. a randomized controlled clinical trial

(2012) Rikke K Jensen et al.   BMC Medicine

Clustering patients on the basis of their individual course of low back pain over a six month period

(2011) Iben Axén et al.   BMC MUSCULOSKELETAL DISORDERS

Overweight - a risk factor of overuse injuries in children? the childhood health, activity and motor performance school study - a 3-year controlled intervention study

(2011) H. Klakk et al.   BRITISH JOURNAL OF SPORTS MEDICINE

The use of weekly text messaging over 6 months was a feasible method for monitoring the clinical course of low back pain in patients seeking chiropractic care

(2011) Iben Axén et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Can rate of recovery be predicted in patients with acute low back pain? Development of a clinical prediction rule

(2008) Mark J. Hancock et al.   EUROPEAN JOURNAL OF PAIN

Ecological Momentary Assessment

(2007) Saul Shiffman et al.   Annual Review of Clinical Psychology