When central nervous system involvement occurs, making an accurate diagnosis of the condition can be challenging, especially given the current definition for definite neurosarcoidosis requires histologic confirmation of the affected tissue (brain biopsy).
There is no disputing it. The oldest hamburger restaurant chain in the United States is White Castle. The first White Castle restaurant opened in Wichita, Kansas, in 1921. The first McDonald's didn't open until 1948, by comparison.
The Oldest Hotel Chain is the Hilton opened in 1919   actually the oldest hotel chain is Kempinski (1897 check it out on  their website)