| article html file updated | 7 February 2020 07:20 CET | Update | https://www.mdpi.com/1660-4601/13/4/427 |
| article html file updated | 5 May 2019 18:30 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:01 CET | Update | N/A |
| article html file updated | 27 April 2016 10:13 CEST | Update | N/A |
| article html file updated | 18 April 2016 12:00 CEST | Original file | N/A |
| article pdf uploaded. | 15 April 2016 14:30 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/4/427/pdf |
