| article html file updated | 9 February 2020 03:48 CET | Update | https://www.mdpi.com/1424-8220/18/1/304 |
| article html file updated | 30 September 2019 02:27 CEST | Update | - |
| article html file updated | 2 May 2019 00:43 CEST | Update | - |
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| article html file updated | 28 March 2019 17:12 CET | Update | - |
| article html file updated | 2 February 2018 11:17 CET | Update | - |
| article html file updated | 20 January 2018 12:07 CET | Original file | - |
| article xml uploaded. | 20 January 2018 12:06 CET | Original file | https://www.mdpi.com/1424-8220/18/1/304/xml |
| article pdf uploaded. | 20 January 2018 12:06 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/304/pdf |
