ThabaneL, MaJ, ChuR, et al.A tutorial on pilot studies: The what, why and how. BMC Med Res Methodol, 2010; 6:1.
2.
National Center for Complementary and Integrative Health. Framework for developing and testing mind and body interventions. Online document at: https://www.nccih.nih.gov/grants/framework-for-developing-and-testing-mind-and-body-interventions, assessed May 10, 2021.
3.
HohmannC, UllrichI, LaucheR, et al.The benefit of a mechanical needle stimulation pad in patients with chronic neck and lower back pain: Two randomized controlled pilot studies. Evid Based Complement Alternat Med, 2012; 2012:753583.
4.
National Center for Complementary and Integrative Health. Pilot studies: common uses and misuses. Online document at: https://www.nccih.nih.gov/grants/pilot-studies-common-uses-and-misuses, assessed May 10, 2021.
5.
Nordin Å, TaftC, Lundgren-Nilsson Å, DenckerA. Minimal important differences for fatigue patient reported outcome measures-a systematic review. BMC Med Res Methodol, 2016; 16:62.
6.
LeonAC, DavisLL, KraemerHC. The role and interpretation of pilot studies in clinical research. J Psychiatr Res, 2011; 45:626–629.
7.
National Health Service. What are side effects?. Online document at: https://www.nhs.uk/common-health-questions/medicines/what-are-side-effects, assessed May 10, 2021.
