| article html file updated | 7 February 2020 11:23 CET | Update | https://www.mdpi.com/1999-4893/9/3/43 |
| article html file updated | 5 May 2019 10:43 CEST | Update | - |
| article html file updated | 27 March 2019 09:42 CET | Update | - |
| article html file updated | 29 September 2016 08:12 CEST | Update | - |
| article html file updated | 8 July 2016 10:51 CEST | Original file | - |
| article xml uploaded. | 8 July 2016 10:49 CEST | Original file | https://www.mdpi.com/1999-4893/9/3/43/xml |
| article pdf uploaded. | 8 July 2016 10:49 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/3/43/pdf |
