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Table 1 Clusters and location

From: Cluster identification, selection, and description in cluster randomized crossover trials: the PREP-IT trials

Hospital (cluster) name

Location

Randomization sequence (1/2 vs. 2/1)

Trial

University of Maryland School of Medicine, R Adams Cowley Shock Trauma Center

Baltimore, MD

2/1 (Aqueous-PREP); 1/2 (PREPARE)

Aqueous-PREP and PREPARE

Greenville Health System

Greenville, SC

2/1 (Aqueous-PREP); 2/1 (PREPARE)

Aqueous-PREP and PREPARE

Hamilton Health Sciences – General Site

Hamilton, ON

1/2 (Aqueous-PREP); 2/1 (PREPARE)

Aqueous-PREP and PREPARE

IU Health Methodist Hospital

Indianapolis, IN

1/2 (Aqueous-PREP); 1/2 (PREPARE)

Aqueous-PREP and PREPARE

San Antonio Military Medical Center

San Antonio, TX

1/2 Aqueous-PREP; 1/2 (PREPARE)

Aqueous-PREP and PREPARE

Banner – University Medical Center Tucson

Tucson, AZ

1/2

Aqueous-PREP

Hospital Universitari Parc Tauli

Barcelona, Spain

To be randomized

Aqueous-PREP

McGovern Medical School at UTHealth Houston

Houston, TX

1/2

Aqueous-PREP

The CORE Institute

Phoenix, AZ

2/1

Aqueous-PREP

University of California, San Francisco

San Francisco, CA

1/2

Aqueous-PREP

University of Florida

Gainesville, FL

2/1

Aqueous-PREP

Vall d’Hebron Hospital

Barcelona, Spain

To be randomized

Aqueous-PREP

Vanderbilt Medical Center

Nashville, TN

2/1

Aqueous-PREP

Wright State University

Dayton, OH

2/1

Aqueous-PREP

Brigham and Women’s Hospital

Boston, MA

1/2

PREPARE

Carolina’s Medical Center

Charlotte, NC

2/1

PREPARE

Dartmouth-Hitchcock Medical Center

Lebanon, NH

2/1

PREPARE

Duke University Hospital

Durham, NC

2/1

PREPARE

Inova Fairfax Medical Campus

Fairfax, VA

2/1

PREPARE

Massachusetts General Hospital

Boston, MA

1/2

PREPARE

MetroHealth Medical Center

Cleveland, OH

1/2

PREPARE

Royal Columbian Hospital

New Westminster, BC

2/1

PREPARE

Regional Medical Center of San Jose

San Jose, CA

1/2

PREPARE

Sanford Health

Sioux Falls, SD

1/2

PREPARE

University of Maryland Capital Regional Health

Cheverly, MD

2/1

PREPARE

University of Mississippi Medical Center

Jackson, MS

2/1

PREPARE

University of Pennsylvania

Philadelphia, PA

1/2

PREPARE

University of Utah

Salt Lake City, UT

2/1

PREPARE

Wake Forest Baptist Hospital

Winston-Salem, NC

1/2

PREPARE