| article html file updated | 7 February 2020 07:29 CET | Update | https://www.mdpi.com/1424-8220/16/4/558 |
| article html file updated | 5 May 2019 18:12 CEST | Update | - |
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| article html file updated | 29 April 2016 05:13 CEST | Update | - |
| article html file updated | 19 April 2016 15:34 CEST | Original file | - |
| article xml uploaded. | 19 April 2016 15:33 CEST | Update | https://www.mdpi.com/1424-8220/16/4/558/xml |
| article pdf uploaded. | 19 April 2016 15:33 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/558/pdf |
