| article html file updated | 6 February 2020 12:37 CET | Update | https://www.mdpi.com/2072-6651/6/10/2948 | 
| article html file updated | 7 May 2019 07:33 CEST | Update | - | 
| article html file updated | 22 March 2019 01:58 CET | Update | - | 
| article html file updated | 20 August 2015 21:54 CEST | Update | - | 
| article html file updated | 28 October 2014 11:33 CET | Update | - | 
| article xml file uploaded | 28 October 2014 11:33 CET | Update | https://www.mdpi.com/2072-6651/6/10/2948/xml | 
| article html file updated | 22 October 2014 11:23 CEST | Update | - | 
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| article html file updated | 22 October 2014 04:02 CEST | Update | - | 
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| article html file updated | 16 October 2014 04:30 CEST | Original file | - | 
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| article pdf uploaded. | 30 September 2014 11:16 CEST | Version of Record | https://www.mdpi.com/2072-6651/6/10/2948/pdf |