| article html file updated | 5 February 2020 23:40 CET | Update | https://www.mdpi.com/1660-3397/11/1/33 |
| article html file updated | 8 May 2019 10:32 CEST | Update | - |
| article html file updated | 20 March 2019 16:27 CET | Update | - |
| article html file updated | 17 June 2015 05:08 CEST | Update | - |
| article html file updated | 14 August 2014 12:07 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:07 CEST | Update | https://www.mdpi.com/1660-3397/11/1/33/xml |
| article supplementary file uploaded. | 8 July 2014 05:04 CEST | - | https://www.mdpi.com/1660-3397/11/1/33#supplementary |
| article supplementary file uploaded. | 8 July 2014 05:04 CEST | - | https://www.mdpi.com/1660-3397/11/1/33#supplementary |
| article supplementary file uploaded. | 8 July 2014 05:03 CEST | - | https://www.mdpi.com/1660-3397/11/1/33#supplementary |
| article supplementary file uploaded. | 8 July 2014 05:03 CEST | - | https://www.mdpi.com/1660-3397/11/1/33#supplementary |
| article supplementary file uploaded. | 8 July 2014 05:03 CEST | - | https://www.mdpi.com/1660-3397/11/1/33#supplementary |
| article html file updated | 8 February 2013 09:19 CET | Update | - |
| article html file updated | 7 February 2013 17:38 CET | Update | - |
| article html file updated | 5 February 2013 10:43 CET | Update | - |
| article xml file uploaded | 5 February 2013 10:43 CET | Original file | - |
| article html file updated | 24 January 2013 11:45 CET | Original file | - |