FDOPA 1 First-episode psychosis 1 Microglia 1 PET imaging 1 Psychosis 1 Review 1 biological marker 1 bungarotoxin receptor 1 comparative effectiveness 1 diagnostic accuracy 1 dopamine metabolism 1 efficacy parameters fluorodeoxyglucose f 18 1 human 1 imaging 1 microglia 1 molecular imaging 1 outcome assessment 1 positron emission tomography 1 prediction 1 predictive value 1 prospective study 1 psychosis 1 randomized controlled trial (topic) 1 systematic review 1 treatment response 1