| article html file updated | 7 February 2020 07:22 CET | Update | https://www.mdpi.com/1424-8220/16/4/548 |
| article html file updated | 5 May 2019 18:26 CEST | Update | - |
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| article html file updated | 29 April 2016 06:20 CEST | Update | - |
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| article html file updated | 15 April 2016 15:12 CEST | Original file | - |
| article xml uploaded. | 15 April 2016 15:10 CEST | Original file | https://www.mdpi.com/1424-8220/16/4/548/xml |
| article pdf uploaded. | 15 April 2016 15:10 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/548/pdf |
