Well fair enough, but rest assured, they will shoot new leaves provided they are still alive. if you want to check, just sratch into the stem with your fingernail. If it is nice and green then your cool. New leaves will shoot from the nodes along the stems when you have had a good spell of warmer weather.
I have some photos of mine but have to up load. One lost a heap from lower down over winter but now the sapis flowing well again with some warmer weather, there are shoots all over Not that it was going to matter.