Create an image of a Data Flow Diagram (DFD) for "Gen Health Hub," an AI health analysis system. Include components: Users (Patients and Doctors), User Interface (UI), Data Processor, AI Analysis Engine, Data Storage, External Data Access Module, and External Databases (Medical Records, Research Databases). Show arrows indicating data flow: Users input data to UI, UI sends raw data to Data Processor, Data Processor sends preprocessed data to AI Analysis Engine, AI Analysis Engine sends results to Data Storage and UI, AI Analysis Engine queries External Data Access Module, and External Data Access Module queries External Databases and sends data to AI Analysis Engine. Use clear labels and arrows. | Fantasy