TY - JOUR T1 - Predicting Depressive Symptom Severity Through Individuals' Nearby Bluetooth Device Count Data Collected by Mobile Phones: Preliminary Longitudinal Study. JO - JMIR Mhealth Uhealth PY - 2021/07/30 AU - Zhang Y AU - Folarin AA AU - Sun S AU - Cummins N AU - Ranjan Y AU - Rashid Z AU - Conde P AU - Stewart C AU - Laiou P AU - Matcham F AU - Oetzmann C et al ED - DO - DOI: 10.2196/29840 VL - 9 IS - 7 SP - e29840 Y2 - 2024/12/22 ER -