Additionally, the Portland Shriners Hospital for Children is located on the OHSU campus. The University also had a campus in Hillsboro, at the site of the former OGI. This campus specialized in graduate-level science and engineering education and is located in the heart of Oregon's Silicon Forest. Since 1998, the university has controlled the Oregon National Primate Research Center, located adjacent to OGI in Hillsboro. the Marquam Hill campus running out of room for expansion, beginning in 2003 OHSU announced plans to expand into the South Waterfront District, formerly known as the North Macadam District. The expansion area is along the Willamette River in the South Portland neighborhood to the east of Marquam Hill and south of the city center. The Center for Health & Healing earned LEED Platinum certification in February 2007, becoming the largest health care center in the U.S. to achieve that status. As part of the continued expansion of the South Waterfront, on June 26, 2014, OHSU opened the Collaborative Life Sciences Building (CLSB). The building cost $295 million to construct, and houses OHSU School of Dentistry and Dental Clinics, Portland State University classes and Oregon State University's Doctor of Pharmacy program. In April, 2018, CLSB was renamed to the Joseph E. Robertson, Jr. Collaborative Life Sciences Building (RLSB). As existing surface streets were deemed insufficient to connect the South Waterfront campus to the Marquam Hill campus, the Portland Aerial Tram was built as the primary link between them and opened December 1, 2006. Controversy surrounded the costs of the tram, which nearly quadrupled from initial estimates. Construction of the tram was funded largely by OHSU ($40 million, 70%), with contributions from the city of Portland ($8.5 million, 15%) and developers and landowners in the South Portland neighborhood.