| article html file updated | 6 February 2020 12:22 CET | Update | https://www.mdpi.com/1999-4907/5/9/2327 |
| article html file updated | 7 May 2019 08:02 CEST | Update | N/A |
| article html file updated | 22 March 2019 01:14 CET | Update | N/A |
| article html file updated | 20 August 2015 20:11 CEST | Update | N/A |
| article html file updated | 16 October 2014 10:43 CEST | Original file | N/A |
| article xml file uploaded | 16 October 2014 10:43 CEST | Original file | https://www.mdpi.com/1999-4907/5/9/2327/xml |
| article pdf uploaded. | 25 September 2014 11:45 CEST | Updated version of record | https://www.mdpi.com/1999-4907/5/9/2327/pdf |
| article pdf uploaded. | 22 September 2014 10:36 CEST | Version of Record | https://www.mdpi.com/1999-4907/5/9/2327/pdf-vor |
