| article html file updated | 6 February 2020 11:24 CET | Update | https://www.mdpi.com/1422-0067/15/8/14044 | 
| article html file updated | 7 May 2019 09:51 CEST | Update | - | 
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| article html file updated | 11 September 2014 03:08 CEST | Update | - | 
| article xml file uploaded | 11 September 2014 03:08 CEST | Update | https://www.mdpi.com/1422-0067/15/8/14044/xml | 
| article html file updated | 3 September 2014 07:28 CEST | Original file | - | 
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| article pdf uploaded. | 13 August 2014 08:32 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/8/14044/pdf |