Assessment of selected muscle damage markers and zonulin concentration after maximum-intensity exercise in men with type 1 diabetes treated with a personal insulin pump.

"Declarations Conflict of interestThe authors have no relevant financial or non-financial interests to disclose. Ethical approvalThe study followed the principles of the Declaration of Helsinki and was approved by the Jagiellonian University Ethics Committee (approval No.: 1072.6120.113.2017 of 28 September 2017). All participants provided their written informed consent to participate in the study. Conflict of interest The authors have no relevant financial or non-financial interests to disclose."

"Funding The study was funded by grant 284/BS/INB/2011 from the University of Physical Education in Krakow and by statutory grant N41/DBS/000550 from Jagiellonian University. The funding institutions were not involved in the study design, the collection, analysis, or interpretation of data, or writing the report, and did not impose any restrictions regarding publication."