| article html file updated | 5 February 2020 14:32 CET | Update | https://www.mdpi.com/1424-8247/3/5/1561 |
| article html file updated | 18 September 2019 23:12 CEST | Update | N/A |
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| article html file updated | 5 June 2014 09:00 CEST | Update | N/A |
| article xml file uploaded | 5 June 2014 09:00 CEST | Original file | https://www.mdpi.com/1424-8247/3/5/1561/xml |
| article html file updated | 6 February 2013 17:37 CET | Update | N/A |
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| article html file updated | 18 January 2013 06:31 CET | Original file | N/A |
