| article html file updated | 16 June 2015 21:27 CEST | Update | https://www.mdpi.com/1422-0067/13/2/1541 |
| article html file updated | 7 February 2013 10:04 CET | Update | - |
| article html file updated | 7 February 2013 00:31 CET | Update | - |
| article html file updated | 6 February 2013 05:49 CET | Update | - |
| article html file updated | 29 January 2013 01:33 CET | Update | - |
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| article html file updated | 25 January 2013 15:58 CET | Update | - |
| article xml uploaded. | 25 January 2013 15:58 CET | Update | https://www.mdpi.com/1422-0067/13/2/1541/xml |
| article html file updated | 23 January 2013 08:54 CET | Update | - |
| article html file updated | 16 January 2013 11:40 CET | Original file | - |
| article xml uploaded. | 16 January 2013 11:39 CET | Original file | - |
