| article html file updated | 9 February 2020 12:19 CET | Update | https://www.mdpi.com/1424-8220/18/4/1071 |
| article html file updated | 2 October 2019 05:41 CEST | Update | - |
| article html file updated | 1 May 2019 06:32 CEST | Update | - |
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| article html file updated | 7 May 2018 04:31 CEST | Update | - |
| article html file updated | 3 April 2018 13:46 CEST | Original file | - |
| article xml uploaded. | 3 April 2018 05:13 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1071/xml |
| article pdf uploaded. | 3 April 2018 05:13 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1071/pdf |
