| article html file updated | 7 February 2020 16:47 CET | Update | https://www.mdpi.com/2075-163X/6/4/113 |
| article html file updated | 22 September 2019 03:40 CEST | Update | N/A |
| article html file updated | 5 May 2019 00:52 CEST | Update | N/A |
| article html file updated | 30 December 2016 06:08 CET | Update | N/A |
| article html file updated | 25 October 2016 03:42 CEST | Update | N/A |
| article html file updated | 21 October 2016 11:37 CEST | Original file | N/A |
| article xml uploaded. | 21 October 2016 11:36 CEST | Update | https://www.mdpi.com/2075-163X/6/4/113/xml |
| article xml uploaded. | 21 October 2016 11:36 CEST | Update | N/A |
| article xml uploaded. | 21 October 2016 11:36 CEST | Original file | N/A |
| article pdf uploaded. | 21 October 2016 11:36 CEST | Version of Record | https://www.mdpi.com/2075-163X/6/4/113/pdf |
