| article html file updated | 11 February 2020 05:36 CET | Update | https://www.mdpi.com/1660-3397/17/1/12 |
| article html file updated | 12 October 2019 14:09 CEST | Update | - |
| article html file updated | 27 April 2019 13:52 CEST | Update | - |
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| article html file updated | 29 January 2019 03:44 CET | Update | - |
| article html file updated | 4 January 2019 13:23 CET | Original file | - |
| article xml uploaded. | 4 January 2019 13:21 CET | Original file | https://www.mdpi.com/1660-3397/17/1/12/xml |
| article pdf uploaded. | 4 January 2019 13:21 CET | Version of Record | https://www.mdpi.com/1660-3397/17/1/12/pdf |
