| article html file updated | 5 February 2020 19:59 CET | Update | https://www.mdpi.com/1424-8247/5/4/369 |
| article html file updated | 8 May 2019 19:07 CEST | Update | N/A |
| article html file updated | 25 March 2019 10:21 CET | Update | N/A |
| article html file updated | 16 June 2015 22:56 CEST | Update | N/A |
| article html file updated | 6 August 2013 16:03 CEST | Update | N/A |
| article xml file uploaded | 6 August 2013 16:03 CEST | Original file | https://www.mdpi.com/1424-8247/5/4/369/xml |
| article html file updated | 7 February 2013 11:33 CET | Update | N/A |
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| article html file updated | 6 February 2013 06:58 CET | Update | N/A |
| article html file updated | 29 January 2013 02:38 CET | Update | N/A |
| article html file updated | 26 January 2013 09:26 CET | Update | N/A |
| article html file updated | 23 January 2013 14:25 CET | Original file | N/A |
