It’s not ‘just a tube of blood’: principles of protocol development, sample collection, staffing and budget considerations for blood-based biomarkers in immunotherapy studies ==================================================================================================================================================================================== * Cindy Y Jiang * Zeqi Niu * Michael D Green * Lili Zhao * Shelby Raupp * Brittany Pannecouk * Dean E Brenner * Sunitha Nagrath * Nithya Ramnath