| article html file updated | 8 February 2020 22:39 CET | Update | https://www.mdpi.com/1424-8220/17/12/2774 |
| article html file updated | 28 September 2019 20:46 CEST | Update | - |
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| article html file updated | 18 April 2019 09:21 CEST | Update | - |
| article html file updated | 2 January 2018 10:19 CET | Update | - |
| article html file updated | 30 November 2017 15:53 CET | Original file | - |
| article xml uploaded. | 30 November 2017 11:31 CET | Original file | https://www.mdpi.com/1424-8220/17/12/2774/xml |
| article pdf uploaded. | 30 November 2017 11:31 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2774/pdf |
