Doesn’t matter, you’ll put roughly the same amount back on in two years.
http://www.thelancet.com/journals/landia/article/PIIS2213-8587(14)70200-1/abstract
Interpretation
The rate of weight loss does not affect the proportion of weight regained within 144 weeks. These findings are not consistent with present dietary guidelines which recommend gradual over rapid weight loss, based on the belief that rapid weight loss is more quickly regained.