| article html file updated | 6 February 2020 11:48 CET | Update | https://www.mdpi.com/2227-9032/2/3/315 |
| article html file updated | 7 May 2019 09:04 CEST | Update | - |
| article html file updated | 21 March 2019 23:52 CET | Update | - |
| article html file updated | 18 May 2016 05:48 CEST | Update | - |
| article html file updated | 20 August 2015 16:39 CEST | Update | - |
| article html file updated | 11 September 2014 12:14 CEST | Original file | - |
| article xml file uploaded | 11 September 2014 12:14 CEST | Original file | https://www.mdpi.com/2227-9032/2/3/315/xml |
| article pdf uploaded. | 28 August 2014 13:42 CEST | Updated version of record | https://www.mdpi.com/2227-9032/2/3/315/pdf |
| article pdf uploaded. | 27 August 2014 09:56 CEST | Version of Record | https://www.mdpi.com/2227-9032/2/3/315/pdf-vor |
