| article html file updated | 7 February 2020 12:13 CET | Update | https://www.mdpi.com/1996-1944/9/8/613 |
| article html file updated | 5 May 2019 09:13 CEST | Update | - |
| article html file updated | 27 March 2019 11:15 CET | Update | - |
| article html file updated | 26 August 2016 06:42 CEST | Update | - |
| article html file updated | 23 July 2016 13:27 CEST | Original file | - |
| article xml uploaded. | 23 July 2016 13:25 CEST | Original file | https://www.mdpi.com/1996-1944/9/8/613/xml |
| article pdf uploaded. | 23 July 2016 13:25 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/613/pdf |
