One patient was excluded from data analysis.
One participant chose not to finish all measurement runs and was therefore excluded from data analysis.
During this period, one subject withdrew from the UDCA group for a personal reason after 4 weeks and therefore, was excluded from data analysis.
For the present study, OMI pixels with a radiative cloud fraction >0.2 or solar zenith angle >70° were excluded from data analysis.
One further patient could not complete the neuropsychological assessment at weeks 4 and 8 and was therefore excluded from data analysis.
Participants were excluded from data analysis if they failed to detect any coins.
We were unable to identify controls for one case with an exceptionally high BMI (46.7 kg/m2), and therefore, this case was excluded from data analysis.
Since chance performance in the LDT is about 50%, all participants whose error percentage was over 40% in this task were excluded from data analysis.
Eleven of the 190 examinations were unclassifiable and excluded from data analysis, mainly because they had migraines both the day before and the day after examination.
Trials that showed eye-blinks, excessive eye movements, or muscle artifacts were excluded from data analysis.
Imaging data from one participant was excluded from data analysis because of significant head movement artifacts.
