| article html file updated | 7 February 2020 16:33 CET | Update | https://www.mdpi.com/2411-5142/1/4/369 |
| article html file updated | 22 September 2019 03:17 CEST | Update | - |
| article html file updated | 5 May 2019 01:16 CEST | Update | - |
| article html file updated | 18 October 2016 12:26 CEST | Original file | - |
| article xml uploaded. | 18 October 2016 12:24 CEST | Original file | https://www.mdpi.com/2411-5142/1/4/369/xml |
| article pdf uploaded. | 18 October 2016 12:24 CEST | Version of Record | https://www.mdpi.com/2411-5142/1/4/369/pdf |
