| article html file updated | 9 February 2020 13:02 CET | Update | https://www.mdpi.com/2227-7080/6/2/41 |
| article html file updated | 2 October 2019 10:02 CEST | Update | N/A |
| article html file updated | 1 May 2019 05:03 CEST | Update | N/A |
| article html file updated | 17 April 2019 05:17 CEST | Update | N/A |
| article html file updated | 29 March 2019 13:51 CET | Update | N/A |
| article html file updated | 26 June 2018 04:56 CEST | Update | N/A |
| article html file updated | 9 April 2018 10:40 CEST | Original file | N/A |
| article xml uploaded. | 9 April 2018 10:39 CEST | Update | https://www.mdpi.com/2227-7080/6/2/41/xml |
| article pdf uploaded. | 9 April 2018 10:39 CEST | Version of Record | https://www.mdpi.com/2227-7080/6/2/41/pdf |
