| article html file updated | 9 February 2020 13:00 CET | Update | https://www.mdpi.com/2073-4441/10/4/447 |
| article html file updated | 2 October 2019 09:53 CEST | Update | - |
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| article html file updated | 1 May 2018 06:21 CEST | Update | - |
| article html file updated | 9 April 2018 09:07 CEST | Original file | - |
| article xml uploaded. | 9 April 2018 09:05 CEST | Original file | https://www.mdpi.com/2073-4441/10/4/447/xml |
| article pdf uploaded. | 9 April 2018 09:05 CEST | Version of Record | https://www.mdpi.com/2073-4441/10/4/447/pdf |