| article html file updated | 9 February 2020 15:35 CET | Update | https://www.mdpi.com/2227-7080/6/2/45 |
| article html file updated | 3 October 2019 01:15 CEST | Update | - |
| article html file updated | 1 May 2019 00:03 CEST | Update | - |
| article html file updated | 17 April 2019 00:43 CEST | Update | - |
| article html file updated | 29 March 2019 19:52 CET | Update | - |
| article html file updated | 26 June 2018 05:02 CEST | Update | - |
| article html file updated | 27 April 2018 11:12 CEST | Original file | - |
| article pdf uploaded. | 27 April 2018 11:11 CEST | Version of Record | https://www.mdpi.com/2227-7080/6/2/45/pdf |
| article xml uploaded. | 27 April 2018 11:11 CEST | Update | https://www.mdpi.com/2227-7080/6/2/45/xml |
| article xml file uploaded | 27 April 2018 11:11 CEST | Original file | - |
