| article html file updated | 5 February 2020 09:31 CET | Update | https://www.mdpi.com/1422-0067/8/3/180 |
| article html file updated | 9 May 2019 17:04 CEST | Update | - |
| article html file updated | 19 March 2019 12:32 CET | Update | - |
| article html file updated | 19 July 2013 09:27 CEST | Update | - |
| article xml file uploaded | 19 July 2013 09:27 CEST | Update | https://www.mdpi.com/1422-0067/8/3/180/xml |
| article html file updated | 19 June 2013 12:09 CEST | Original file | - |
| article xml file uploaded | 19 June 2013 12:09 CEST | Original file | - |
