| article html file updated | 8 February 2020 18:35 CET | Update | https://www.mdpi.com/2075-4426/7/4/11 |
| article html file updated | 2 May 2019 20:58 CEST | Update | - |
| article html file updated | 2 January 2018 20:35 CET | Update | - |
| article html file updated | 19 October 2017 23:09 CEST | Original file | - |
| article xml uploaded. | 18 October 2017 06:15 CEST | Original file | https://www.mdpi.com/2075-4426/7/4/11/xml |
| article pdf uploaded. | 18 October 2017 06:15 CEST | Updated version of record | https://www.mdpi.com/2075-4426/7/4/11/pdf |
| article pdf uploaded. | 16 October 2017 13:02 CEST | Version of Record | https://www.mdpi.com/2075-4426/7/4/11/pdf-vor |
