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James Boysen, D.C., M.S.

Research Clinician 

Dr. Boysen has over 17 years of clinical experience and holds a Master’s degree in clinical research. Dr. Boysen assists in refining and standardizing clinical management protocols, performs examinations, provides care to research participants and is a member of the eligibility determination panel.

 
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Therese Devlin, B.S.

Clinical Research Associate 

Ms. Devlin has 17 years of research experience and performs project-specific patient management protocols for screening, enrolling and managing patients and their visits. Her role includes conducting eligibility screens, describes studies to participants and obtains informed consent. She also performs eligibility assessments and data collection, ensuring data integrity and panel participation for eligibility determination.

 
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Elissa Twist, D.C., M.S.

Study Coordinator 

Dr. Twist recently joined the research clinic team. She holds a Master’s in Clinical Research and a Doctor of Chiropractic degree from Palmer College of Chiropractic. Dr. Twist conducts eligibility screens, describes studies to participants and obtains informed consent. She also performs eligibility assessments and data collection, ensuring data integrity and panel participation for eligibility determination.

 
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Jennifer Toenjes, B.A.

Research Participant Coordinator 

Ms. Toenjes is the lead telephone interviewer and scheduler in the Research Clinic. She coordinates telephone screening and participant scheduling. Ms. Toenjes’s role includes performing preliminary eligibility assessment, scheduling participant examinations and study visits, and functioning as the primary contact person for the Research Clinic.

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Robert D. Vining, D.C. 
Senior Research Clinician, Associate Professor   

Dr. Vining has over 22 years of clinical experience in private practice, academic and research settings. He has directed Palmer’s Research Clinic since 2008. His role includes oversight of staff training, development and implementation of clinical and diagnostic protocols, case management, and eligibility determination for all research participants. He also performs examinations and provides care in clinical studies.

 
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