| article html file updated | 7 February 2020 14:18 CET | Update | https://www.mdpi.com/1660-4601/13/9/868 |
| article html file updated | 5 May 2019 05:20 CEST | Update | N/A |
| article html file updated | 27 March 2019 15:44 CET | Update | N/A |
| article html file updated | 26 September 2016 12:09 CEST | Update | N/A |
| article html file updated | 1 September 2016 12:40 CEST | Original file | N/A |
| article xml uploaded. | 1 September 2016 12:39 CEST | Original file | https://www.mdpi.com/1660-4601/13/9/868/xml |
| article pdf uploaded. | 1 September 2016 12:39 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/9/868/pdf |
