| article html file updated | 7 February 2020 06:45 CET | Update | https://www.mdpi.com/2297-8747/21/2/10 |
| article html file updated | 5 May 2019 19:44 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:54 CET | Update | N/A |
| article html file updated | 1 April 2016 13:37 CEST | Original file | N/A |
| article xml uploaded. | 1 April 2016 13:36 CEST | Original file | https://www.mdpi.com/2297-8747/21/2/10/xml |
| article pdf uploaded. | 1 April 2016 13:36 CEST | Version of Record | https://www.mdpi.com/2297-8747/21/2/10/pdf |
