| article html file updated | 8 February 2020 05:53 CET | Update | https://www.mdpi.com/1420-3049/22/5/806 | 
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| article xml uploaded. | 15 May 2017 17:46 CEST | Original file | https://www.mdpi.com/1420-3049/22/5/806/xml | 
| article pdf uploaded. | 15 May 2017 17:46 CEST | Version of Record | https://www.mdpi.com/1420-3049/22/5/806/pdf |