| article html file updated | 8 February 2020 10:43 CET | Update | https://www.mdpi.com/1424-8220/17/7/1609 |
| article html file updated | 25 September 2019 21:12 CEST | Update | - |
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| article html file updated | 2 August 2017 12:16 CEST | Update | - |
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| article html file updated | 11 July 2017 13:42 CEST | Original file | - |
| article xml uploaded. | 11 July 2017 13:40 CEST | Original file | https://www.mdpi.com/1424-8220/17/7/1609/xml |
| article pdf uploaded. | 11 July 2017 13:40 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/7/1609/pdf |
