conflicting information about blinding: quadruple or open.
Quadruple in register, but not mentions of blinding in article and since the intervention according to the article was placing the participants in different positions can not possibly be blinded
NA; single-blind (participant) in register, some personnel blinded in article and no info on blinding of participants
neither open nor blinded according to register, but open-label according to title
unclear who is blinded, because trial is registered as non-open
Sample size could not be determined from article, because in the article samples form two trials were combined.

Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Triple (Participant, Care Provider, Investigator)
Triple (Participant, Investigator, Outcomes Assessor)
"Double", but should be triple according to details (Participant, Investigator, Outcome Assessor and Date-entry Operator)

Double (patients, investigators, study personnel, and data
analysts)
Called "double" in the article, but investigator was also blinded
Called "Double-blind" but may be quadruple blind based on described details

no intervention, different primary outcome
multiple outcomes named in title that do not reflect the registered primary outcome (the only registered outcome)
keine Intervention, Outcome und Indikation im Titel
no outcome, observational according to title but interventional according to register
No intervention in title / should be identified as observational
"as therapy" deemed sufficient as outcome
Outcome unclear ("for treatment" in title, meaning "distribution to treatment groups")
Outcome and purpose of this observational study missing
no outcome (outcome is weight according to register and "health effects" according to title)
Given outcomes not in line with title. According to title validation of models, but outcomes refer only to collected variables.

University of Erlangen-Nürnberg Medical School
ARCIM Institute Academic Research in Complementary and Integrative Medicine
Ottawa Heart Institute Research Corporation
Fraunhofer-Institute of Toxicology and Experimental Medicine
Medtronic Cardiac Rhythm and Heart Failure
Research Institute of Child Nutrition, Dortmund
Ludwig-Maximilians - University of Munich
Philipps University Marburg Medical Center
European Group for Blood and Marrow Transplantation
Johann Wolfgang Goethe University Hospital
European Society of Cutaneous Lupus Erythematosus e.V.
Weill Medical College of Cornell University
Wyeth is now a wholly owned subsidiary of Pfizer
European Organisation for Research and Treatment of Cancer - EORTC
West German Center of Diabetes and Health
Vascular Biogenics Ltd. operating as VBL Therapeutics
North Eastern German Society of Gynaecological Oncology
NIH AIDS Clinical Trials Information Service