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Emerald Health Therapeutics, Inc., together with its subsidiaries, produces and sells medical cannabis for medical purpose in Canada. The company is also involved in developing natural health products. It offers dried cannabis strains, pre-rolls, and cannabis oil products to its medical patients. The company was formerly known as T-Bird Pharma Inc. and changed its name to Emerald Health Therapeutics, Inc. in June 2015. Emerald Health Therapeutics, Inc. is headquartered in Vancouver, Canada.

Medicenna Therapeutics Corp., an immunotherapy company, engages in the development and commercialization of Superkines and empowered Superkines for the treatment of cancer and other diseases. It develops MDNA55, an interleukin- 4 (IL-4) EC for the treatment of recurrent glioblastoma, as well as for brain tumors. The company also develops MDNA11, an enhanced version of IL-2 to activate and proliferate the immune cells needed to fight cancer; MDNA209, an IL-2 antagonist for autoimmune diseases, such as multiple sclerosis and graft versus host disease; MDNA413, a dual IL-4/IL-13 antagonist to treat cancer immunotherapies; and MDNA132, an IL-13 Superkine for solid tumors. In addition, it provides BiSKITs platform to develop designer Superkines by fusing them to other proteins, antibodies, cytokines, or other Superkines. The company is headquartered in Toronto, Canada.

PowerShares DWA Technical Leaders Portfolio (the Fund) is based on the Dorsey Wright Technical Leaders Index (the Index). The Fund seeks investment results that generally correspond to the price and yield of the Index. The Fund will normally invest at least 90% of its total assets in securities that consists of the Index and American Depositary Receipts (ADRs) based on the securities in the Index. The Index includes approximately 100 the United States-listed companies. Invesco PowerShares Capital Management LLC acts as the Fund's investment adviser.