1. Bio‐Acoustic MEMS in Medicine (BAMM) LaboratoryCanary Center at Stanford for Cancer Early DetectionDepartment of RadiologyStanford School of Medicine Palo Alto CA 94304 USA
2. Department of Biomedical EngineeringWuhan University School of Basic Medical Sciences Wuhan 430071 China
3. Department of NeurologyRenmin Hospital of Wuhan University Wuhan 430050 China