| article html file updated | 6 February 2020 05:23 CET | Update | https://www.mdpi.com/2218-273X/3/4/905 |
| article html file updated | 7 May 2019 22:26 CEST | Update | - |
| article html file updated | 21 March 2019 07:13 CET | Update | - |
| article html file updated | 14 March 2018 17:59 CET | Update | - |
| article html file updated | 19 August 2015 09:03 CEST | Update | - |
| article html file updated | 28 April 2014 10:35 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 10:35 CEST | Original file | https://www.mdpi.com/2218-273X/3/4/905/xml |
| article supplementary file uploaded. | 6 November 2013 14:49 CET | - | https://www.mdpi.com/2218-273X/3/4/905#supplementary |
| article pdf uploaded. | 6 November 2013 14:48 CET | Version of Record | https://www.mdpi.com/2218-273X/3/4/905/pdf |
