| article html file updated | 9 February 2020 09:46 CET | Update | https://www.mdpi.com/1660-4601/15/3/515 | 
| article html file updated | 1 October 2019 14:39 CEST | Update | - | 
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| article xml uploaded. | 14 March 2018 07:40 CET | Original file | https://www.mdpi.com/1660-4601/15/3/515/xml | 
| article pdf uploaded. | 14 March 2018 07:40 CET | Version of Record | https://www.mdpi.com/1660-4601/15/3/515/pdf |