| article html file updated | 7 February 2020 09:08 CET | Update | https://www.mdpi.com/1660-4601/13/5/521 |
| article html file updated | 5 May 2019 14:57 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:30 CET | Update | N/A |
| article html file updated | 26 May 2016 08:39 CEST | Update | N/A |
| article html file updated | 23 May 2016 14:36 CEST | Original file | N/A |
| article xml uploaded. | 23 May 2016 14:34 CEST | Original file | https://www.mdpi.com/1660-4601/13/5/521/xml |
| article pdf uploaded. | 23 May 2016 14:34 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/5/521/pdf |
