| article html file updated | 8 February 2020 10:17 CET | Update | https://www.mdpi.com/2075-4701/7/7/253 |
| article html file updated | 25 September 2019 19:08 CEST | Update | N/A |
| article html file updated | 3 May 2019 13:41 CEST | Update | N/A |
| article html file updated | 31 July 2017 08:32 CEST | Update | N/A |
| article html file updated | 6 July 2017 13:25 CEST | Original file | N/A |
| article xml uploaded. | 6 July 2017 13:24 CEST | Update | https://www.mdpi.com/2075-4701/7/7/253/xml |
| article pdf uploaded. | 6 July 2017 13:24 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/7/253/pdf |
