| article html file updated | 9 February 2020 05:48 CET | Update | https://www.mdpi.com/2413-8851/2/1/14 |
| article html file updated | 30 September 2019 14:22 CEST | Update | - |
| article html file updated | 1 May 2019 20:20 CEST | Update | - |
| article html file updated | 17 April 2019 19:24 CEST | Update | - |
| article html file updated | 28 March 2019 21:32 CET | Update | - |
| article html file updated | 7 February 2018 09:26 CET | Original file | - |
| article xml uploaded. | 7 February 2018 09:24 CET | Original file | https://www.mdpi.com/2413-8851/2/1/14/xml |
| article pdf uploaded. | 7 February 2018 09:24 CET | Version of Record | https://www.mdpi.com/2413-8851/2/1/14/pdf |
