| article html file updated | 9 February 2020 00:30 CET | Update | https://www.mdpi.com/2227-7390/5/4/84 |
| article html file updated | 29 September 2019 07:41 CEST | Update | - |
| article html file updated | 2 May 2019 07:39 CEST | Update | - |
| article html file updated | 18 April 2019 05:30 CEST | Update | - |
| article html file updated | 2 January 2018 11:37 CET | Update | - |
| article html file updated | 19 December 2017 09:14 CET | Original file | - |
| article xml uploaded. | 19 December 2017 09:13 CET | Update | https://www.mdpi.com/2227-7390/5/4/84/xml |
| article xml uploaded. | 19 December 2017 09:13 CET | Original file | - |
| article pdf uploaded. | 19 December 2017 09:13 CET | Version of Record | https://www.mdpi.com/2227-7390/5/4/84/pdf |
