| article html file updated | 7 February 2020 17:09 CET | Update | https://www.mdpi.com/1996-1944/9/11/878 |
| article html file updated | 5 May 2019 00:07 CEST | Update | - |
| article html file updated | 30 November 2016 05:27 CET | Update | - |
| article html file updated | 28 October 2016 13:19 CEST | Original file | - |
| article xml uploaded. | 28 October 2016 13:08 CEST | Update | https://www.mdpi.com/1996-1944/9/11/878/xml |
| article xml uploaded. | 28 October 2016 13:08 CEST | Original file | - |
| article pdf uploaded. | 28 October 2016 13:08 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/11/878/pdf |
