| article html file updated | 7 February 2020 07:01 CET | Update | https://www.mdpi.com/1660-4601/13/4/409 |
| article html file updated | 5 May 2019 19:11 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:24 CET | Update | N/A |
| article html file updated | 27 April 2016 10:10 CEST | Update | N/A |
| article html file updated | 8 April 2016 11:36 CEST | Original file | N/A |
| article xml uploaded. | 8 April 2016 11:35 CEST | Original file | https://www.mdpi.com/1660-4601/13/4/409/xml |
| article pdf uploaded. | 8 April 2016 11:35 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/4/409/pdf |
