- aSchedule for each subject
- bThe Florbetaben-PET can be postponed to the post-cognitive-training phase or the follow-up phase
- Abbreviations: MRIÂ Â magnetic resonance imaging, PETÂ positron-emission tomography, ApoE4Â apolipoprotein E4; CETPÂ Â Cholesteryl Ester Transfer Protein, SNPÂ single nucleotide polymorphism, BDNFÂ Â brain-derived neurotrophic factor