| article html file updated | 5 February 2020 23:22 CET | Update | https://www.mdpi.com/1424-8247/5/12/1393 |
| article html file updated | 8 May 2019 11:13 CEST | Update | - |
| article html file updated | 20 March 2019 15:49 CET | Update | - |
| article html file updated | 17 June 2015 04:44 CEST | Update | - |
| article html file updated | 13 September 2013 17:15 CEST | Update | - |
| article xml file uploaded | 13 September 2013 17:15 CEST | Original file | https://www.mdpi.com/1424-8247/5/12/1393/xml |
| article html file updated | 7 February 2013 17:21 CET | Update | - |
| article html file updated | 24 January 2013 10:55 CET | Original file | - |
