The twelve John Hancock ETFs are now included in the constituenydata42.csv file as follows:

John Hancock Large Cap ETF JHML
John Hancock Mid Cap ETF JHMM
John Hancock Developed International ETF JHMD
John Hancock Consumer Discretionary ETF JHMC
John Hancock Consumer Staples ETF JHMS
John Hancock Energy ETF JHME
John Hancock Financials ETF JHMF
John Hancock Healthcare ETF JHMH
John Hancock Industrials ETF JHMI
John Hancock Materials ETF JHMA
John Hancock Technology ETF JHMT
John Hancock Utilities ETF JHMU