| article html file updated | 8 February 2020 14:13 CET | Update | https://www.mdpi.com/2075-4426/7/3/7 |
| article html file updated | 26 September 2019 16:45 CEST | Update | - |
| article html file updated | 3 May 2019 05:39 CEST | Update | - |
| article html file updated | 30 September 2017 12:31 CEST | Update | - |
| article html file updated | 29 August 2017 03:03 CEST | Original file | - |
| article xml uploaded. | 29 August 2017 03:02 CEST | Original file | https://www.mdpi.com/2075-4426/7/3/7/xml |
| article pdf uploaded. | 29 August 2017 03:02 CEST | Updated version of record | https://www.mdpi.com/2075-4426/7/3/7/pdf |
| article pdf uploaded. | 22 August 2017 16:19 CEST | Version of Record | https://www.mdpi.com/2075-4426/7/3/7/pdf-vor |
