| article html file updated | 7 February 2020 08:15 CET | Update | https://www.mdpi.com/1424-8220/16/5/646 |
| article html file updated | 5 May 2019 16:39 CEST | Update | - |
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| article html file updated | 27 May 2016 09:07 CEST | Update | - |
| article html file updated | 5 May 2016 13:17 CEST | Original file | - |
| article xml uploaded. | 5 May 2016 13:16 CEST | Original file | https://www.mdpi.com/1424-8220/16/5/646/xml |
| article pdf uploaded. | 5 May 2016 13:16 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/5/646/pdf |
