Selinheimo S, Vuokko A, Sainio M, et al. Comparing cognitive-behavioural psychotherapy and psychoeducation for non-specific symptoms associated with indoor air: a randomised control trial protocol. BMJ Open 2016;6:e011003. doi:10.1136/bmjopen-2015-011003

Some Competing interests were missed out of the original publication. The full Competing interests sections should read:

Competing interests All authors have completed the ICMJE uniform disclosure at www.icmje.org/coi_disclosure.pdf and declare: Financial support for the submitted work from The Finnish Work Environment Fund (ref 113076) and the Social Insurance Institution of Finland (KELA) (ref 23/26/2014); KK works as a medical expert in the Varma Mutual Pension Insurance Company (part-time work), KK worked as a medical expert in an Employment Pension Appeal Court (TELK), 1.2.2010-31.12.2014 (part-time consultancy) (in accordance with the Act on the Employment Pension Appeal Court); AV works as a medical expert in The Social Insurance Institute of Finland (KELA), Southern Insurance District (part-time work) and in The OP Insurance Ltd (part-time work), AK is also a a substitute member of the medical expert group, Unemployment Security Appeal Board (TTLK) (in accordance with the unemployment security commission Act); MS works as a part-time medical advisor for The Finnish Patient Insurance Centre, which handles all personal injuries that occur in connection with healthcare activities (in accordance with the Patient Injuries Act). No other activities that could appear to have influenced the submitted work. None of these institutions profits financially or non-financially from studying and publishing the methods and results of this intervention study. Neither the authors’ institutions nor the funders have any authority over trial activities or preparing of the manuscript.