| article html file updated | 7 February 2020 16:42 CET | Update | https://www.mdpi.com/2075-163X/6/4/110 |
| article html file updated | 22 September 2019 03:31 CEST | Update | - |
| article html file updated | 5 May 2019 01:00 CEST | Update | - |
| article html file updated | 30 December 2016 06:02 CET | Update | - |
| article html file updated | 20 October 2016 11:38 CEST | Original file | - |
| article xml uploaded. | 20 October 2016 11:37 CEST | Update | https://www.mdpi.com/2075-163X/6/4/110/xml |
| article xml uploaded. | 20 October 2016 11:37 CEST | Original file | - |
| article pdf uploaded. | 20 October 2016 11:37 CEST | Version of Record | https://www.mdpi.com/2075-163X/6/4/110/pdf |
