| article html file updated | 5 February 2020 20:22 CET | Update | https://www.mdpi.com/1422-0067/13/5/5542 |
| article html file updated | 8 May 2019 18:17 CEST | Update | - |
| article html file updated | 25 March 2019 11:04 CET | Update | - |
| article html file updated | 16 June 2015 23:46 CEST | Update | - |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Original file | https://www.mdpi.com/1422-0067/13/5/5542/xml |
| article html file updated | 7 February 2013 12:12 CET | Update | - |
| article html file updated | 7 February 2013 02:11 CET | Update | - |
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| article html file updated | 29 January 2013 03:20 CET | Update | - |
| article html file updated | 26 January 2013 10:20 CET | Update | - |
| article html file updated | 23 January 2013 17:17 CET | Original file | - |
