Critical Flaws in the Validation of the Instant Blood Pressure Smartphone App-A Letter from the App Developers-Reply

Affiliations

• ¹ Division of General Internal Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
• ² Division of General Internal Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland2Welch Center for Prevention, Epidemiology and Clinical Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
• ³ Welch Center for Prevention, Epidemiology and Clinical Research, The Johns Hopkins University School of Medicine, Baltimore, Maryland3Ciccarone Center for Prevention of Heart Disease, Division of Cardiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland.