| article html file updated | 6 February 2020 22:38 CET | Update | https://www.mdpi.com/1424-8220/15/9/22874 |
| article html file updated | 6 May 2019 11:41 CEST | Update | - |
| article html file updated | 26 March 2019 10:24 CET | Update | - |
| article html file updated | 9 October 2015 11:59 CEST | Original file | - |
| article xml file uploaded | 9 October 2015 11:59 CEST | Original file | https://www.mdpi.com/1424-8220/15/9/22874/xml |
| article pdf uploaded. | 10 September 2015 12:43 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/9/22874/pdf |
