| article html file updated | 8 February 2020 11:00 CET | Update | https://www.mdpi.com/2073-4441/9/7/519 |
| article html file updated | 25 September 2019 22:43 CEST | Update | - |
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| article xml uploaded. | 17 July 2017 03:50 CEST | Update | https://www.mdpi.com/2073-4441/9/7/519/xml |
| article pdf uploaded. | 17 July 2017 03:50 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/7/519/pdf |
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| article pdf uploaded. | 14 July 2017 11:02 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/519/pdf-vor |