| article html file updated | 7 February 2020 07:32 CET | Update | https://www.mdpi.com/2072-666X/7/4/71 |
| article html file updated | 21 September 2019 15:35 CEST | Update | N/A |
| article html file updated | 5 May 2019 18:05 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:27 CET | Update | N/A |
| article html file updated | 15 October 2018 04:38 CEST | Update | N/A |
| article html file updated | 29 April 2016 05:35 CEST | Update | N/A |
| article html file updated | 20 April 2016 15:13 CEST | Original file | N/A |
| article xml uploaded. | 20 April 2016 15:12 CEST | Original file | https://www.mdpi.com/2072-666X/7/4/71/xml |
| article pdf uploaded. | 20 April 2016 15:12 CEST | Version of Record | https://www.mdpi.com/2072-666X/7/4/71/pdf |
