| article html file updated | 7 February 2020 11:26 CET | Update | https://www.mdpi.com/1999-4893/9/3/44 |
| article html file updated | 5 May 2019 10:37 CEST | Update | - |
| article html file updated | 27 March 2019 09:48 CET | Update | - |
| article html file updated | 29 September 2016 08:12 CEST | Update | - |
| article html file updated | 9 July 2016 10:07 CEST | Original file | - |
| article xml uploaded. | 9 July 2016 10:05 CEST | Original file | https://www.mdpi.com/1999-4893/9/3/44/xml |
| article pdf uploaded. | 9 July 2016 10:05 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/3/44/pdf |
