| article html file updated | 8 February 2020 04:06 CET | Update | https://www.mdpi.com/1424-8220/17/4/916 |
| article html file updated | 24 September 2019 10:47 CEST | Update | - |
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| article html file updated | 29 April 2017 14:27 CEST | Update | - |
| article html file updated | 21 April 2017 16:24 CEST | Original file | - |
| article xml uploaded. | 21 April 2017 16:23 CEST | Update | https://www.mdpi.com/1424-8220/17/4/916/xml |
| article pdf uploaded. | 21 April 2017 16:23 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/916/pdf |
