| article html file updated | 9 February 2020 02:36 CET | Update | https://www.mdpi.com/1424-8220/18/1/180 |
| article html file updated | 29 September 2019 19:33 CEST | Update | - |
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| article html file updated | 2 February 2018 10:51 CET | Update | - |
| article html file updated | 10 January 2018 15:36 CET | Original file | - |
| article xml uploaded. | 10 January 2018 15:35 CET | Original file | https://www.mdpi.com/1424-8220/18/1/180/xml |
| article pdf uploaded. | 10 January 2018 15:35 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/180/pdf |
