| article html file updated | 6 February 2020 08:15 CET | Update | https://www.mdpi.com/2218-273X/4/2/374 |
| article html file updated | 7 May 2019 16:37 CEST | Update | - |
| article html file updated | 21 March 2019 14:43 CET | Update | - |
| article html file updated | 14 March 2018 13:26 CET | Update | - |
| article html file updated | 20 August 2015 01:38 CEST | Update | - |
| article html file updated | 18 July 2014 03:56 CEST | Original file | - |
| article xml file uploaded | 18 July 2014 03:56 CEST | Original file | https://www.mdpi.com/2218-273X/4/2/374/xml |
| article supplementary file uploaded. | 16 July 2014 11:26 CEST | - | https://www.mdpi.com/2218-273X/4/2/374#supplementary |
| article pdf uploaded. | 31 March 2014 09:09 CEST | Version of Record | https://www.mdpi.com/2218-273X/4/2/374/pdf |
