| article html file updated | 9 February 2020 07:14 CET | Update | https://www.mdpi.com/1660-3397/16/2/71 |
| article html file updated | 30 September 2019 22:49 CEST | Update | - |
| article html file updated | 1 May 2019 17:10 CEST | Update | - |
| article html file updated | 17 April 2019 16:33 CEST | Update | - |
| article html file updated | 29 March 2019 00:35 CET | Update | - |
| article html file updated | 14 March 2018 17:07 CET | Update | - |
| article html file updated | 22 February 2018 10:34 CET | Original file | - |
| article xml uploaded. | 22 February 2018 10:33 CET | Original file | https://www.mdpi.com/1660-3397/16/2/71/xml |
| article pdf uploaded. | 22 February 2018 10:33 CET | Version of Record | https://www.mdpi.com/1660-3397/16/2/71/pdf |
