| article html file updated | 8 February 2020 16:49 CET | Update | https://www.mdpi.com/2414-6366/2/4/49 |
| article html file updated | 27 September 2019 07:03 CEST | Update | N/A |
| article html file updated | 3 May 2019 00:46 CEST | Update | N/A |
| article html file updated | 9 October 2017 06:27 CEST | Original file | N/A |
| article xml uploaded. | 9 October 2017 06:26 CEST | Update | https://www.mdpi.com/2414-6366/2/4/49/xml |
| article xml uploaded. | 9 October 2017 06:26 CEST | Update | N/A |
| article xml uploaded. | 21 September 2017 13:59 CEST | Original file | N/A |
| article pdf uploaded. | 21 September 2017 13:59 CEST | Version of Record | https://www.mdpi.com/2414-6366/2/4/49/pdf |
