| article html file updated | 7 February 2020 06:43 CET | Update | https://www.mdpi.com/1660-4601/13/4/397 |
| article html file updated | 21 September 2019 14:22 CEST | Update | - |
| article html file updated | 5 May 2019 19:47 CEST | Update | - |
| article html file updated | 27 March 2019 00:51 CET | Update | - |
| article html file updated | 27 April 2016 10:08 CEST | Update | - |
| article html file updated | 1 April 2016 11:35 CEST | Original file | - |
| article xml uploaded. | 1 April 2016 11:34 CEST | Original file | https://www.mdpi.com/1660-4601/13/4/397/xml |
| article pdf uploaded. | 1 April 2016 11:34 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/4/397/pdf |
