| article html file updated | 7 February 2020 17:45 CET | Update | https://www.mdpi.com/2073-4441/8/11/517 |
| article html file updated | 4 May 2019 23:00 CEST | Update | - |
| article html file updated | 30 November 2016 10:52 CET | Update | - |
| article html file updated | 9 November 2016 11:45 CET | Original file | - |
| article xml uploaded. | 9 November 2016 11:44 CET | Update | https://www.mdpi.com/2073-4441/8/11/517/xml |
| article xml uploaded. | 9 November 2016 11:44 CET | Original file | - |
| article pdf uploaded. | 9 November 2016 11:44 CET | Version of Record | https://www.mdpi.com/2073-4441/8/11/517/pdf |
