| article html file updated | 7 February 2020 07:28 CET | Update | https://www.mdpi.com/1660-4601/13/4/431 |
| article html file updated | 5 May 2019 18:13 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:17 CET | Update | N/A |
| article html file updated | 27 April 2016 10:14 CEST | Update | N/A |
| article html file updated | 19 April 2016 13:55 CEST | Original file | N/A |
| article xml uploaded. | 19 April 2016 13:54 CEST | Original file | https://www.mdpi.com/1660-4601/13/4/431/xml |
| article pdf uploaded. | 19 April 2016 13:54 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/4/431/pdf |
