The RECOVER sUb-study, Which Leverages quaNtitative and Credible Research tOols From Verily, Will providE Assessment measuRes for Depressive Episodes

Inclusion Criteria:

All Subjects

1. Current consented subject in the RECOVER clinical trial;

2. Adult (i.e. ≥ 18 years of age, unless a resident of any U.S. state where the age ofmajority is 19, in which case must be ≥ 19 years of age);

3. Able and willing to provide written informed consent for this sub-study;

4. Able and willing to comply with all study procedures;

5. Able to read and speak English.

Phone Application

1. Have a personal Google user account or be willing to create and own a personalGoogle user account;

2. Owns a personal Android smartphone with a data plan and is the sole user of thatsmartphone;

3. Agrees to download and maintain the phone application onto personal Androidsmartphone for the duration of the sub-study;

Study Watch

1. Willing to comply with Study Watch wearing and recharging requirements

Exclusion Criteria:

All Subjects

1. Any condition or situation the Principal Investigator determines as inappropriatefor study inclusion

Phone Application

No additional exclusion criteria for phone application

Study Watch

1. Subjects with known severe allergy to nickel or metal jewelry