| article html file updated | 6 February 2020 08:32 CET | Update | https://www.mdpi.com/1660-4601/11/4/3956 |
| article html file updated | 20 September 2019 07:18 CEST | Update | - |
| article html file updated | 7 May 2019 16:02 CEST | Update | - |
| article html file updated | 21 March 2019 15:21 CET | Update | - |
| article html file updated | 20 August 2015 02:55 CEST | Update | - |
| article html file updated | 27 May 2014 12:34 CEST | Original file | - |
| article xml file uploaded | 27 May 2014 12:34 CEST | Original file | https://www.mdpi.com/1660-4601/11/4/3956/xml |
| article pdf uploaded. | 11 April 2014 16:02 CEST | Updated version of record | https://www.mdpi.com/1660-4601/11/4/3956/pdf |
| article pdf uploaded. | 10 April 2014 14:58 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/4/3956/pdf-vor |
