| article html file updated | 7 February 2020 14:53 CET | Update | https://www.mdpi.com/2411-5134/1/3/19 |
| article html file updated | 5 May 2019 04:17 CEST | Update | - |
| article html file updated | 12 September 2016 13:13 CEST | Original file | - |
| article xml uploaded. | 12 September 2016 13:12 CEST | Update | https://www.mdpi.com/2411-5134/1/3/19/xml |
| article xml uploaded. | 12 September 2016 13:12 CEST | Original file | - |
| article pdf uploaded. | 12 September 2016 13:12 CEST | Version of Record | https://www.mdpi.com/2411-5134/1/3/19/pdf |
