| article html file updated | 8 February 2020 18:52 CET | Update | https://www.mdpi.com/2075-1702/5/4/24 |
| article html file updated | 27 September 2019 20:51 CEST | Update | N/A |
| article html file updated | 2 May 2019 20:20 CEST | Update | N/A |
| article html file updated | 2 January 2018 14:01 CET | Update | N/A |
| article html file updated | 19 October 2017 11:10 CEST | Original file | N/A |
| article xml uploaded. | 19 October 2017 11:08 CEST | Original file | https://www.mdpi.com/2075-1702/5/4/24/xml |
| article pdf uploaded. | 19 October 2017 11:08 CEST | Version of Record | https://www.mdpi.com/2075-1702/5/4/24/pdf |
