| article html file updated | 5 February 2020 22:09 CET | Update | https://www.mdpi.com/2073-4425/3/4/576 |
| article html file updated | 20 March 2019 12:55 CET | Update | - |
| article html file updated | 17 June 2015 02:35 CEST | Update | - |
| article html file updated | 7 February 2013 15:16 CET | Update | - |
| article html file updated | 31 January 2013 10:37 CET | Update | - |
| article xml file uploaded | 31 January 2013 10:37 CET | Original file | https://www.mdpi.com/2073-4425/3/4/576/xml |
| article supplementary file uploaded. | 28 January 2013 16:06 CET | - | https://www.mdpi.com/2073-4425/3/4/576#supplementary |
| article supplementary file uploaded. | 25 January 2013 16:13 CET | - | https://www.mdpi.com/2073-4425/3/4/576#supplementary |
| article html file updated | 24 January 2013 02:57 CET | Original file | - |
