| article html file updated | 7 February 2020 12:19 CET | Update | https://www.mdpi.com/1999-4893/9/3/49 |
| article html file updated | 5 May 2019 09:01 CEST | Update | - |
| article html file updated | 27 March 2019 11:26 CET | Update | - |
| article html file updated | 29 September 2016 08:14 CEST | Update | - |
| article html file updated | 26 July 2016 10:37 CEST | Original file | - |
| article xml uploaded. | 26 July 2016 10:36 CEST | Update | https://www.mdpi.com/1999-4893/9/3/49/xml |
| article pdf uploaded. | 26 July 2016 10:36 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/3/49/pdf |
