Author contributions
SPP, PPG, JB, and SP conceptualized the study. Data collection was done by AG. AG and DPS prepared the handbook materials for intervention under the guidance of SPP, PPG, JB, and SP. AG and DPS conducted and analyzed the study under the supervision of SPP, PPG, JB, and SP. AG wrote the manuscript with inputs from SPP, PPG, JB, SP, and DPS. All authors approved the final manuscript.