| article html file updated | 9 February 2020 13:59 CET | Update | https://www.mdpi.com/1424-8220/18/4/1214 |
| article html file updated | 2 October 2019 15:57 CEST | Update | - |
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| article html file updated | 7 May 2018 05:10 CEST | Update | - |
| article html file updated | 16 April 2018 13:45 CEST | Original file | - |
| article xml uploaded. | 16 April 2018 13:44 CEST | Original file | https://www.mdpi.com/1424-8220/18/4/1214/xml |
| article pdf uploaded. | 16 April 2018 13:44 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1214/pdf |
