| article html file updated | 5 February 2020 20:04 CET | Update | https://www.mdpi.com/1420-3049/17/4/4474 |
| article html file updated | 8 May 2019 18:55 CEST | Update | - |
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| article html file updated | 17 September 2018 07:14 CEST | Update | - |
| article html file updated | 16 June 2015 23:10 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/1420-3049/17/4/4474/xml |
| article html file updated | 7 February 2013 11:43 CET | Update | - |
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| article html file updated | 26 January 2013 09:41 CET | Update | - |
| article html file updated | 23 January 2013 15:12 CET | Original file | - |
