| article html file updated | 8 February 2020 20:22 CET | Update | https://www.mdpi.com/2414-6366/2/4/58 |
| article html file updated | 28 September 2019 06:04 CEST | Update | - |
| article html file updated | 2 May 2019 16:53 CEST | Update | - |
| article html file updated | 5 November 2017 08:09 CET | Original file | - |
| article xml uploaded. | 5 November 2017 08:07 CET | Original file | https://www.mdpi.com/2414-6366/2/4/58/xml |
| article pdf uploaded. | 5 November 2017 08:07 CET | Version of Record | https://www.mdpi.com/2414-6366/2/4/58/pdf |
