| article html file updated | 9 February 2020 02:23 CET | Update | https://www.mdpi.com/1660-3397/16/1/19 |
| article html file updated | 29 September 2019 18:23 CEST | Update | - |
| article html file updated | 2 May 2019 03:39 CEST | Update | - |
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| article html file updated | 1 February 2018 08:14 CET | Update | - |
| article html file updated | 9 January 2018 04:21 CET | Original file | - |
| article xml uploaded. | 9 January 2018 04:19 CET | Original file | https://www.mdpi.com/1660-3397/16/1/19/xml |
| article pdf uploaded. | 9 January 2018 04:19 CET | Version of Record | https://www.mdpi.com/1660-3397/16/1/19/pdf |
