| article html file updated | 6 February 2020 12:57 CET | Update | https://www.mdpi.com/2077-1444/5/4/1037 |
| article html file updated | 20 September 2019 13:54 CEST | Update | - |
| article html file updated | 7 May 2019 06:52 CEST | Update | - |
| article html file updated | 22 March 2019 02:57 CET | Update | - |
| article html file updated | 20 August 2015 23:43 CEST | Update | - |
| article html file updated | 26 December 2014 11:32 CET | Original file | - |
| article xml file uploaded | 26 December 2014 11:32 CET | Original file | https://www.mdpi.com/2077-1444/5/4/1037/xml |
| article pdf uploaded. | 9 December 2014 07:26 CET | Updated version of record | https://www.mdpi.com/2077-1444/5/4/1037/pdf |
| article pdf uploaded. | 20 October 2014 13:37 CEST | Version of Record | https://www.mdpi.com/2077-1444/5/4/1037/pdf-vor |
