| article html file updated | 6 February 2020 08:15 CET | Update | https://www.mdpi.com/2079-7737/3/2/255 |
| article html file updated | 7 May 2019 16:37 CEST | Update | - |
| article html file updated | 21 March 2019 14:42 CET | Update | - |
| article html file updated | 20 August 2015 01:37 CEST | Update | - |
| article html file updated | 14 August 2014 11:40 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:40 CEST | Update | https://www.mdpi.com/2079-7737/3/2/255/xml |
| article html file updated | 14 August 2014 11:20 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:20 CEST | Update | - |
| article html file updated | 8 July 2014 09:52 CEST | Original file | - |
| article xml file uploaded | 8 July 2014 09:52 CEST | Original file | - |
| article pdf uploaded. | 31 March 2014 15:35 CEST | Updated version of record | https://www.mdpi.com/2079-7737/3/2/255/pdf |
| article pdf uploaded. | 28 March 2014 13:38 CET | Version of Record | https://www.mdpi.com/2079-7737/3/2/255/pdf-vor |
