<qa>  How long does the total duration of patient participation take?All participants will return to the clinic for repeat assessments of their unilateral Achilles tendinosis and overall health at seven 7 visits over the following 6 months. Participants will also complete an eccentric training physiotherapy program under the guidance of a certified physiotherapist for two 2 months after receipt of injections. Total duration of patient participation is approximately eight 8 months. 