| article html file updated | 5 February 2020 20:02 CET | Update | https://www.mdpi.com/2073-4441/4/2/345 |
| article html file updated | 8 May 2019 18:59 CEST | Update | N/A |
| article html file updated | 25 March 2019 10:26 CET | Update | N/A |
| article html file updated | 16 June 2015 23:06 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/2073-4441/4/2/345/xml |
| article html file updated | 7 February 2013 11:40 CET | Update | N/A |
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| article html file updated | 29 January 2013 02:44 CET | Update | N/A |
| article html file updated | 26 January 2013 09:35 CET | Update | N/A |
| article html file updated | 23 January 2013 14:57 CET | Original file | N/A |
