I have prayers & encouragement to offer. This time, like for most things, is temporary. I don't know about you, but for me, when times are hard, knowing that "this too shall pass", helps.
You know why you're the only parents there. That's why you, and your daughter, will get through this. Most of the other kids there won't. Take a deep breath, hug your daughter and your wife. Know that you will get through this. Godspeed.