| article html file updated | 6 February 2020 19:34 CET | Update | https://www.mdpi.com/1660-4601/12/6/6641 |
| article html file updated | 6 May 2019 18:01 CEST | Update | - |
| article html file updated | 26 March 2019 04:32 CET | Update | - |
| article html file updated | 21 August 2015 13:27 CEST | Update | - |
| article html file updated | 2 July 2015 06:37 CEST | Original file | - |
| article xml file uploaded | 2 July 2015 06:37 CEST | Original file | https://www.mdpi.com/1660-4601/12/6/6641/xml |
| article pdf uploaded. | 10 June 2015 12:52 CEST | Version of Record | https://www.mdpi.com/1660-4601/12/6/6641/pdf |
