| article html file updated | 7 February 2020 20:08 CET | Update | https://www.mdpi.com/1424-8220/17/1/5 |
| article html file updated | 22 September 2019 14:17 CEST | Update | - |
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| article html file updated | 8 February 2017 08:35 CET | Update | - |
| article html file updated | 22 December 2016 12:17 CET | Original file | - |
| article xml uploaded. | 22 December 2016 12:16 CET | Original file | https://www.mdpi.com/1424-8220/17/1/5/xml |
| article pdf uploaded. | 22 December 2016 12:16 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/5/pdf |
