Training of physicians and medical personnel in the use of cryoablation, cryotherapy and cryosurgery; training of physicians and medical personnel in the use of cryoablation, cryotherapy and cryosurgical equipment, namely, surgical and treatment probes, catheters and endoscopes; training of physicians and medical personnel in the use of cryoablation, cryosurgical and cryotherapy device control systems, namely, apparatuses for controlling the flow of cryogens, bleeder and pressure control valves for maintaining pressure in cryoablation, cryotherapy and cryosurgical devices and delivery systems, rigid and flexible medical endoscopes, catheters, lumen blocking balloons and shields for gastric blocking, nasogastric tubes, suction devices for cryogens removal and endoscopy cameras; training of physicians and medical personnel in the use of therapy and surgical delivery systems for delivering cryogens, namely, rigid and flexible medical endoscopes, catheters, lumen blocking balloons and shields for gastric blocking, nasogastric tubes, suction devices for cryogens removal and endoscopy cameras; training of physicians and medical personnel in performing medical procedures involving cryoablation, cryotherapy and cryosurgery; and training of physicians and medical personnel in performing medical procedures involving abdominal, bladder, pancreatic, kidney, lung, stomach, esophageal and upper and lower gastrointestinal tissue identification, separation, ablation or eradication