IRCT20120415009475N5.

Methods	Study design: RCT, triple‐blind, placebo controlled Setting: Iran
Participants	60 children
Interventions	IG: 2 capsules of 250 mg Saccharomyces boulardii per day for 2 months CG: 2 placebo capsules per day for 2 months
Outcomes	Start date: 6 March 2018 Estimated completion date: 23 September 2018 Outcomes: Pain using VAS and interviews Quality of life using interviews and the IMPACT III questionnaire
Notes	Funding: Shahid Beheshti University of Medical Sciences Contact: mirrahimi@sbmu.ac.ir We received no response from the author and were therefore unable to determine whether this study meets our inclusion criteria.