| article html file updated | 6 February 2020 10:52 CET | Update | https://www.mdpi.com/1999-4907/5/7/1717 |
| article html file updated | 20 September 2019 10:43 CEST | Update | - |
| article html file updated | 7 May 2019 11:17 CEST | Update | - |
| article html file updated | 21 March 2019 21:22 CET | Update | - |
| article html file updated | 20 August 2015 13:19 CEST | Update | - |
| article html file updated | 25 July 2014 12:42 CEST | Update | - |
| article xml file uploaded | 25 July 2014 12:42 CEST | Update | https://www.mdpi.com/1999-4907/5/7/1717/xml |
| article html file updated | 25 July 2014 12:12 CEST | Original file | - |
| article xml file uploaded | 25 July 2014 12:12 CEST | Original file | - |
| article pdf uploaded. | 24 July 2014 08:52 CEST | Updated version of record | https://www.mdpi.com/1999-4907/5/7/1717/pdf |
| article pdf uploaded. | 23 July 2014 15:08 CEST | Updated version of record | https://www.mdpi.com/1999-4907/5/7/1717/pdf-vor |
| article pdf uploaded. | 22 July 2014 09:06 CEST | Version of Record | https://www.mdpi.com/1999-4907/5/7/1717/pdf-vor |
