| article html file updated | 6 February 2020 08:59 CET | Update | https://www.mdpi.com/1660-3397/12/5/2614 |
| article html file updated | 7 May 2019 15:05 CEST | Update | - |
| article html file updated | 21 March 2019 16:27 CET | Update | - |
| article html file updated | 20 August 2015 05:24 CEST | Update | - |
| article html file updated | 11 June 2014 07:44 CEST | Original file | - |
| article xml file uploaded | 11 June 2014 07:44 CEST | Original file | https://www.mdpi.com/1660-3397/12/5/2614/xml |
| article pdf uploaded. | 21 May 2014 10:45 CEST | Updated version of record | https://www.mdpi.com/1660-3397/12/5/2614/pdf |
| article pdf uploaded. | 2 May 2014 13:28 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/5/2614/pdf-vor |