Trachea of the Karolinska University Hospital performed eight operations in which he generated an artificial trachea from a person's stem cells; four of them at Karolinska, three in Russia, and one in Illinois. In January 2016 the Swedish television station Sveriges Television broadcast a three part documentary about Macchiarini that suggested that Macchiarini did not obtain informed consent from these people, six of whom died. Macchiraini had been a "media darling" and had been seen as a pioneer in the field. In February 2016 Karolinska announced it would not renew his contract when it expired in November 2016 and that it
What Is This? following week. The group decided to change their name to the Red Hot Chili Peppers, played several more shows at various L.A. clubs and musical venues, and eventually recorded a demo tape, all while Slovak and Irons were still playing with What Is This?. A few months later, What Is This received a record deal with MCA Records and the Red Hot Chili Peppers received a joint deal with EMI America and Enigma Records. Hillel Slovak and Jack Irons decided to leave the Red Hot Chili Peppers and stay with What Is This? as the latter was their primary musical