The ILHBN: challenges, opportunities, and solutions from harmonizing data under heterogeneous study designs, target populations, and measurement protocols.

"Conflict of Interest : Research reported in this publication was supported by the NIH under the ILHBN Cooperative Agreement Program. Travel support from the grants awarded to the seven U01 studies and one U24 research coordinating center has made possible some of the collaborative harmonization efforts discussed in the manuscript. Dr. Allen is employed by and has an equity interest in Ksana Health Inc., and has been a paid advisor to Google Health and Snap Inc. In addition, Dr. Nock has been a paid consultant in the past year for Microsoft Corporation, the Veterans Health Administration, and Cerebral; an unpaid scientific advisor for Empatica, Koko, and TalkLife; and receives publication royalties from Macmillan, Pearson, and UpToDate. Dr. Pavel has been a paid consultant for Honeywell Research Laboratory, Brno, CR, and is a member of Data Monitoring Committee of the “Understanding America Study.” Dr. Auerbach is an unpaid scientific advisor for Ksana Health, Inc. Dr. Rauch has been employed by Mass General Brigham/McLean Hospital; paid as secretary of Society of Biological Psychiatry, and for Board service to Mindpath Health/Community Psychiatry and National Association of Behavioral Healthcare; served as volunteer member of the Board for Anxiety & Depression Association of America, and The National Network of Depression Centers; received royalties from Oxford University Press, American Psychiatric Publishing Inc, and Springer Publishing; received research funding from NIMH."

"We gratefully acknowledge the help and contributions of the ILHBN affiliated scientists, staff, and study participants, especially Yosef Bodovski, Shirlene Wang, Jonathan Kaslander, Daniel Chu, Aditya Ponnada, Rebecca Braga De Braganca and Drs. Dana Schloesser, Guanqing Chi, Daniel Rivera, and Einat Liebenthal. Research reported in this publication was supported by the Intensive Longitudinal Health Behavior (ILHBN) Cooperative Agreement Program funded by the NIH under U24EB026436, U01CA229437, U01MH116928, U01MH116925, U01MH116923, U01DA046413, U01HL146327, and U01CA229445. Data used in the described work were additionally collected through NIH award R01HL125440. Compliance with Ethical Standards: Conflict of Interest: Research reported in this publication was supported by the NIH under the ILHBN Cooperative Agreement Program. Travel support from the grants awarded to the seven U01 studies and one U24 research coordinating center has made possible some of the collaborative harmonization efforts discussed in the manuscript. Dr. Allen is employed by and has an equity interest in Ksana Health Inc., and has been a paid advisor to Google Health and Snap Inc. In addition, Dr. Nock has been a paid consultant in the past year for Microsoft Corporation, the Veterans Health Administration, and Cerebral; an unpaid scientific advisor for Empatica, Koko, and TalkLife; and receives publication royalties from Macmillan, Pearson, and UpToDate. Dr. Pavel has been a paid consultant for Honeywell Research Laboratory, Brno, CR, and is a member of Data Monitoring Committee of the “Understanding America Study.” Dr. Auerbach is an unpaid scientific advisor for Ksana Health, Inc. Dr. Rauch has been employed by Mass General Brigham/McLean Hospital; paid as secretary of Society of Biological Psychiatry, and for Board service to Mindpath Health/Community Psychiatry and National Association of Behavioral Healthcare; served as volunteer member of the Board for Anxiety & Depression Association of America, and The National Network of Depression Centers; received royalties from Oxford University Press, American Psychiatric Publishing Inc, and Springer Publishing; received research funding from NIMH.: Human Rights: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee of each study and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The MARS Study’s IRB approval has been obtained from the University of Utah under IRB approval number IRB_00112287; The BLS IRB approval has been obtained from the McLean Hospital and Harvard Medical School under IRB approval number 2015P002189; The DMB Study’s IRB approval has been obtained from the University of Southern California under IRB approval number UP-18-00791 and from the University of Michigan under IRB approval number HUM00196881; The MAPS Study IRB approval has been obtained from Columbia University/New York State Psychiatric Institute under IRB#7630; The TIME Study IRB approval has been obtained from the University of Southern California under IRB approval number HS-18-00605; The CoTwins Study IRB approval has been obtained from the University of Colorado Boulder under IRB approval number IRB14-0433; The SMART Study IRB approval has been obtained from Harvard University under IRB approval number IRB18-1749;: Informed Consent: Informed consent was obtained from all individual participants included in the study.: Welfare of Animals: This article does not contain any studies with animals performed by any of the authors."