| article html file updated | 9 February 2020 06:26 CET | Update | https://www.mdpi.com/1424-8220/18/2/561 |
| article html file updated | 30 September 2019 18:11 CEST | Update | - |
| article html file updated | 1 May 2019 18:52 CEST | Update | - |
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| article html file updated | 14 March 2018 19:44 CET | Update | - |
| article html file updated | 12 February 2018 16:22 CET | Original file | - |
| article xml uploaded. | 12 February 2018 16:21 CET | Original file | https://www.mdpi.com/1424-8220/18/2/561/xml |
| article pdf uploaded. | 12 February 2018 16:21 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/561/pdf |
