| article html file updated | 7 February 2020 12:24 CET | Update | https://www.mdpi.com/1996-1944/9/8/631 |
| article html file updated | 5 May 2019 08:52 CEST | Update | - |
| article html file updated | 27 March 2019 11:35 CET | Update | - |
| article html file updated | 26 August 2016 06:54 CEST | Update | - |
| article html file updated | 27 July 2016 11:32 CEST | Original file | - |
| article xml uploaded. | 27 July 2016 11:30 CEST | Original file | https://www.mdpi.com/1996-1944/9/8/631/xml |
| article pdf uploaded. | 27 July 2016 11:30 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/631/pdf |
