| article html file updated | 6 February 2020 19:19 CET | Update | https://www.mdpi.com/1996-1073/8/6/5287 |
| article html file updated | 6 May 2019 18:33 CEST | Update | - |
| article html file updated | 26 March 2019 04:02 CET | Update | - |
| article html file updated | 21 August 2015 13:05 CEST | Update | - |
| article html file updated | 30 June 2015 03:11 CEST | Original file | - |
| article xml file uploaded | 30 June 2015 03:11 CEST | Original file | https://www.mdpi.com/1996-1073/8/6/5287/xml |
| article pdf uploaded. | 5 June 2015 16:45 CEST | Updated version of record | https://www.mdpi.com/1996-1073/8/6/5287/pdf |
| article pdf uploaded. | 3 June 2015 10:57 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/6/5287/pdf-vor |
