| article html file updated | 8 February 2020 22:23 CET | Update | https://www.mdpi.com/2504-3110/1/1/15 |
| article html file updated | 2 May 2019 12:20 CEST | Update | - |
| article html file updated | 18 April 2019 09:57 CEST | Update | - |
| article html file updated | 28 November 2017 09:33 CET | Original file | - |
| article xml uploaded. | 28 November 2017 09:32 CET | Original file | https://www.mdpi.com/2504-3110/1/1/15/xml |
| article pdf uploaded. | 28 November 2017 09:32 CET | Updated version of record | https://www.mdpi.com/2504-3110/1/1/15/pdf |
| article pdf uploaded. | 27 November 2017 15:12 CET | Version of Record | https://www.mdpi.com/2504-3110/1/1/15/pdf-vor |
