| article html file updated | 7 February 2020 16:28 CET | Update | https://www.mdpi.com/2075-163X/6/4/107 |
| article html file updated | 22 September 2019 03:05 CEST | Update | N/A |
| article html file updated | 5 May 2019 01:26 CEST | Update | N/A |
| article html file updated | 30 December 2016 06:00 CET | Update | N/A |
| article html file updated | 17 October 2016 11:31 CEST | Original file | N/A |
| article xml uploaded. | 17 October 2016 11:30 CEST | Update | https://www.mdpi.com/2075-163X/6/4/107/xml |
| article xml uploaded. | 17 October 2016 11:30 CEST | Original file | N/A |
| article pdf uploaded. | 17 October 2016 11:30 CEST | Version of Record | https://www.mdpi.com/2075-163X/6/4/107/pdf |
