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Web-Based Survey Application to Collect Contextually Relevant Geographic Data With Exposure Times: Application Development and Feasibility Testing

In a subsequent study, this research group developed a software plug-in to reduce this error by directly transmitting geocoordinate information to QDS [36]. Another research team used a Google Map tool embedded in an Internet survey instrument.

Abby Rudolph, Karin Tobin, Jonathan Rudolph, Carl Latkin

JMIR Public Health Surveill 2018;4(1):e12

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Using the Patient Portal Sexual Health Instrument in Surveys and Patient Questionnaires Among Sexual Minority Men in the United States: Cross-sectional Psychometric Validation Study

Kevon-Mark P Jackman, Jeremy Kane, Hadi Kharrazi, Renee M Johnson, Carl Latkin

J Med Internet Res 2021;23(2):e18750

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A Crowdsourcing Open Contest to Design Pre-Exposure Prophylaxis Promotion Messages: Protocol for an Exploratory Mixed Methods Study

Crowdsourcing is “an approach to problem solving which involves an organization having a large group attempt to solve a problem or part of a problem, then sharing solutions [2].”

Jordan J White, Allison Mathews, Marcus P Henry, Meghan B Moran, Kathleen R Page, Carl A Latkin, Joseph D Tucker, Cui Yang

JMIR Res Protoc 2020;9(1):e15590

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Ecological Momentary Assessment of Illicit Drug Use Compared to Biological and Self-Reported Methods

Beth Linas, Andrew Genz, Ryan P. Westergaard, Larry W. Chang, Robert C. Bollinger, Carl Latkin, Gregory D. Kirk

JMIR Mhealth Uhealth 2016;4(1):e27

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Perceptions of Health-Related Information on Facebook: Cross-Sectional Study Among Vietnamese Youths

Melvyn WB Zhang, Bach Xuan Tran, Huong Thi Le, Hinh Duc Nguyen, Cuong Tat Nguyen, Tho Dinh Tran, Carl A Latkin, Roger CM Ho

Interact J Med Res 2017;6(2):e16

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What Drives Young Vietnamese to Use Mobile Health Innovations? Implications for Health Communication and Behavioral Interventions

Bach Xuan Tran, Melvyn WB Zhang, Huong Thi Le, Hinh Duc Nguyen, Long Hoang Nguyen, Quyen Le Thi Nguyen, Tho Dinh Tran, Carl A Latkin, Roger CM Ho

JMIR Mhealth Uhealth 2018;6(11):e194

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Feasibility and Acceptability of Smartphone-Based Ecological Momentary Assessment of Alcohol Use Among African American Men Who Have Sex With Men in Baltimore

Cui Yang, Beth Linas, Gregory Kirk, Robert Bollinger, Larry Chang, Geetanjali Chander, Daniel Siconolfi, Sharif Braxton, Abby Rudolph, Carl Latkin

JMIR Mhealth Uhealth 2015;3(2):e67

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Characterizing Artificial Intelligence Applications in Cancer Research: A Latent Dirichlet Allocation Analysis

Bach Xuan Tran, Carl A Latkin, Noha Sharafeldin, Katherina Nguyen, Giang Thu Vu, Wilson W S Tam, Ngai-Man Cheung, Huong Lan Thi Nguyen, Cyrus S H Ho, Roger C M Ho

JMIR Med Inform 2019;7(4):e14401

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Modeling Research Topics for Artificial Intelligence Applications in Medicine: Latent Dirichlet Allocation Application Study

Bach Xuan Tran, Son Nghiem, Oz Sahin, Tuan Manh Vu, Giang Hai Ha, Giang Thu Vu, Hai Quang Pham, Hoa Thi Do, Carl A Latkin, Wilson Tam, Cyrus S H Ho, Roger C M Ho

J Med Internet Res 2019;21(11):e15511

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Understanding Social Media Use and Engagement Among Dermatology Patients to Inform Dermatological Prevention and Care in Vietnam: Cross-sectional Study

Sample size calculation was conducted using inputs determined based on a study of a similar topic in 13 European countries [44]: an expected mean social engagement score of 0.70, expected standard deviation of 0.20, and a confidence level of 95%.

Sau Huu Nguyen, Giang Thu Vu, Long Hoang Nguyen, Cuong Tat Nguyen, Thu Hoai Thi Le, Tung Hoang Tran, Bach Xuan Tran, Carl A Latkin, Wilson W S Tam, Cyrus S H Ho, Roger C M Ho

JMIR Dermatol 2020;3(1):e13424

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