Mother & 2 infants in car accident

my name is Ashley my sister, 24 year old mother Andrea was on her way home from picking up her 8 month old daughter Dessa and 23 month old son Kari from our grandmothers house when they were hit by another vehicle her car spun out and flipped over 5 to 6 times when she awoke they were upside down. Thankfully there was some by standers who rescued them from the wreckage its been said if they hadnt been there Kari would not be alive today! Both Andrea and her children are in the hospital with serious injuries. My sister has asked i not go into exact detail of their medical conditions. She has suffered trauma to the lungs and a serious back injury, her daughter 8 months old thankfully only had a severe concussion and bruising across the abdomen, her son was sitting in direct impact and got the worse of it. he suffers from major internal and external injuries. They believe andrea will be in rehab for 6 months to a year. Little Kari will be in recovery/rehab for a minimum of 2 years.  Please any help provided will go directly toward the medical expenses for her son Kari that are not covered by insurainsurance.  Any help is greatly appreciated,Thank you!

 http://www.abc10.com/mobile/article/news/local/2-toddlers-sent-to-hospital-after-car-accident-in-north-highlands/103-462095582