| article html file updated | 6 February 2020 18:12 CET | Update | https://www.mdpi.com/1996-1073/8/5/3679 |
| article html file updated | 6 May 2019 20:54 CEST | Update | - |
| article html file updated | 26 March 2019 01:43 CET | Update | - |
| article html file updated | 21 August 2015 11:25 CEST | Update | - |
| article html file updated | 26 June 2015 08:50 CEST | Original file | - |
| article xml file uploaded | 26 June 2015 08:50 CEST | Original file | https://www.mdpi.com/1996-1073/8/5/3679/xml |
| article pdf uploaded. | 11 May 2015 09:51 CEST | Updated version of record | https://www.mdpi.com/1996-1073/8/5/3679/pdf |
| article pdf uploaded. | 30 April 2015 09:42 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/5/3679/pdf-vor |
