| article html file updated | 6 February 2020 02:01 CET | Update | https://www.mdpi.com/1660-4601/10/5/1927 |
| article html file updated | 8 May 2019 05:21 CEST | Update | - |
| article html file updated | 20 March 2019 22:19 CET | Update | - |
| article html file updated | 17 June 2015 09:11 CEST | Update | - |
| article html file updated | 6 August 2013 15:36 CEST | Original file | - |
| article xml file uploaded | 6 August 2013 15:36 CEST | Original file | https://www.mdpi.com/1660-4601/10/5/1927/xml |
| article pdf uploaded. | 10 May 2013 16:20 CEST | Version of Record | https://www.mdpi.com/1660-4601/10/5/1927/pdf |
