| article html file updated | 6 February 2020 01:50 CET | Update | https://www.mdpi.com/1660-4601/10/5/1720 |
| article html file updated | 8 May 2019 05:40 CEST | Update | - |
| article html file updated | 20 March 2019 21:52 CET | Update | - |
| article html file updated | 17 June 2015 08:56 CEST | Update | - |
| article html file updated | 6 August 2013 15:35 CEST | Original file | - |
| article xml file uploaded | 6 August 2013 15:35 CEST | Original file | https://www.mdpi.com/1660-4601/10/5/1720/xml |
| article pdf uploaded. | 29 April 2013 14:11 CEST | Version of Record | https://www.mdpi.com/1660-4601/10/5/1720/pdf |
