| article html file updated | 8 February 2020 15:00 CET | Update | https://www.mdpi.com/2411-5134/2/3/23 |
| article html file updated | 26 September 2019 21:08 CEST | Update | - |
| article html file updated | 3 May 2019 04:09 CEST | Update | - |
| article html file updated | 31 August 2017 14:45 CEST | Original file | - |
| article xml uploaded. | 31 August 2017 14:43 CEST | Original file | https://www.mdpi.com/2411-5134/2/3/23/xml |
| article pdf uploaded. | 31 August 2017 14:43 CEST | Version of Record | https://www.mdpi.com/2411-5134/2/3/23/pdf |
