| article html file updated | 7 February 2020 06:55 CET | Update | https://www.mdpi.com/2073-4360/8/4/116 |
| article html file updated | 21 September 2019 14:38 CEST | Update | - |
| article html file updated | 5 May 2019 19:24 CEST | Update | - |
| article html file updated | 27 March 2019 01:12 CET | Update | - |
| article html file updated | 15 March 2019 11:53 CET | Update | - |
| article html file updated | 29 April 2016 09:46 CEST | Update | - |
| article html file updated | 7 April 2016 08:57 CEST | Original file | - |
| article xml uploaded. | 7 April 2016 08:55 CEST | Original file | https://www.mdpi.com/2073-4360/8/4/116/xml |
| article pdf uploaded. | 7 April 2016 08:55 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/4/116/pdf |
