| article html file updated | 9 February 2020 09:45 CET | Update | https://www.mdpi.com/2504-477X/2/1/15 |
| article html file updated | 1 October 2019 14:35 CEST | Update | - |
| article html file updated | 1 May 2019 11:56 CEST | Update | - |
| article html file updated | 17 April 2019 11:42 CEST | Update | - |
| article html file updated | 29 March 2019 06:21 CET | Update | - |
| article html file updated | 14 March 2018 06:03 CET | Original file | - |
| article xml uploaded. | 14 March 2018 06:02 CET | Original file | https://www.mdpi.com/2504-477X/2/1/15/xml |
| article pdf uploaded. | 14 March 2018 06:02 CET | Version of Record | https://www.mdpi.com/2504-477X/2/1/15/pdf |
