| article html file updated | 8 February 2020 06:29 CET | Update | https://www.mdpi.com/2414-6366/2/2/12 |
| article html file updated | 24 September 2019 23:14 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:49 CEST | Update | N/A |
| article html file updated | 23 May 2017 12:25 CEST | Original file | N/A |
| article xml uploaded. | 23 May 2017 12:24 CEST | Original file | https://www.mdpi.com/2414-6366/2/2/12/xml |
| article pdf uploaded. | 23 May 2017 12:24 CEST | Version of Record | https://www.mdpi.com/2414-6366/2/2/12/pdf |
