| article html file updated | 5 February 2020 14:19 CET | Update | https://www.mdpi.com/1424-8247/3/4/1225 |
| article html file updated | 18 September 2019 22:42 CEST | Update | N/A |
| article html file updated | 9 May 2019 06:48 CEST | Update | N/A |
| article html file updated | 19 March 2019 23:57 CET | Update | N/A |
| article html file updated | 16 June 2015 09:29 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:04 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/1424-8247/3/4/1225/xml |
| article html file updated | 5 June 2014 08:57 CEST | Original file | N/A |
| article xml file uploaded | 5 June 2014 08:56 CEST | Original file | N/A |
