| article html file updated | 5 February 2020 23:55 CET | Update | https://www.mdpi.com/2076-3417/3/1/14 |
| article html file updated | 8 May 2019 09:59 CEST | Update | N/A |
| article html file updated | 20 March 2019 17:01 CET | Update | N/A |
| article html file updated | 17 June 2015 05:24 CEST | Update | N/A |
| article html file updated | 8 February 2013 09:27 CET | Update | N/A |
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| article html file updated | 24 January 2013 12:07 CET | Update | N/A |
| article html file updated | 17 January 2013 16:33 CET | Original file | N/A |
| article xml uploaded. | 17 January 2013 16:33 CET | Original file | https://www.mdpi.com/2076-3417/3/1/14/xml |
