| article html file updated | 6 February 2020 08:49 CET | Update | https://www.mdpi.com/1420-3049/19/4/5301 |
| article html file updated | 20 September 2019 07:44 CEST | Update | - |
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| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Update | https://www.mdpi.com/1420-3049/19/4/5301/xml |
| article html file updated | 23 May 2014 08:16 CEST | Original file | - |
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| article pdf uploaded. | 23 April 2014 14:16 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/4/5301/pdf |
