| article html file updated | 8 February 2020 07:14 CET | Update | https://www.mdpi.com/2414-4088/1/2/11 |
| article html file updated | 25 September 2019 03:01 CEST | Update | - |
| article html file updated | 3 May 2019 19:26 CEST | Update | - |
| article html file updated | 1 June 2017 14:32 CEST | Original file | - |
| article xml uploaded. | 1 June 2017 14:31 CEST | Original file | https://www.mdpi.com/2414-4088/1/2/11/xml |
| article pdf uploaded. | 1 June 2017 14:31 CEST | Version of Record | https://www.mdpi.com/2414-4088/1/2/11/pdf |
