A Study of the Efficacy and Safety of Omalizumab Through 48 Weeks in Participants With Chronic Idiopathic Urticaria

Montefiore Medical Group;Department of Medicine, The Bronx

Winthrop University Hospital, Mineola

Aair Research Center, Rochester

University of Rochester Medical Center; University Dermatology Associates, Rochester

Institute for Asthma & Allergy, Chevy Chase

Asthma, Allergy & Sinus Center, Baltimore

O & O Alpan, LLC, Fairfax

Allergy Partners of Western NC, Asheville

National Allergy and Asthma Research, Charleston

Florida Ctr-Allergy & Asthma, Miami

Florida Center for Allergy and Asthma Research, Aventura

University of South Florida, Tampa

Sarasota Clinical Research, Sarasota

Dermatology Specialists Research, LLC, Louisville

Abraham Research PLLC, Fort Mitchell

Allergy & Asthma Specialists, PSC, Owensboro

Toledo Inst of Clin Research, Toledo

Allergy & Respiratory Center, Canton

Bernstein Clinical Research Center Llc, Cincinnati

Dawes Fretzin Clinical Res LLC, Indianapolis

Deaconess Clinic, Evansville

Respiratory Medicine Research; Institue of Michigan P.L.C., Ypsilanti

Clinical Research Center of Southern Illinois LLC, Shiloh

Vital Prospects Clin Res Pc, Tulsa

Allergy & Asthma Research Center, San Antonio

Live Oak Allergy & Asthma Clinic, Live Oak

IMMUNOe Research Centers, Centennial

Colorado Allergy & Asthma Centers, Pc, Denver

James Q. Del Rosso, DO, LLC, Las Vegas

Dermatology Research Associate, Los Angeles

Allergy & Asthma Care Center of Southern California, Long Beach

Allergy and Asthma Relief Experts, Granada Hills

Southern California Research Center, Mission Viejo

Choc Psf, Amc, Orange

Allergy & Asthma Consultants, Redwood City

Allergy and Asthma Clinical Research, Inc., Walnut Creek

Premier Clinical Research, Spokane

Ocean Allergy & Resp Res Ctr, Brick

Asthma, Nasal Disease, and Allergy Research Center of New England, East Providence

Timber Lane Allergy-Asth Res, South Burlington