| article html file updated | 9 February 2020 03:35 CET | Update | https://www.mdpi.com/1424-8220/18/1/287 |
| article html file updated | 30 September 2019 01:13 CEST | Update | - |
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| article html file updated | 2 February 2018 11:13 CET | Update | - |
| article html file updated | 19 January 2018 04:47 CET | Original file | - |
| article xml uploaded. | 19 January 2018 04:46 CET | Original file | https://www.mdpi.com/1424-8220/18/1/287/xml |
| article pdf uploaded. | 19 January 2018 04:46 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/287/pdf |
