| article html file updated | 9 February 2020 04:12 CET | Update | https://www.mdpi.com/1424-8220/18/2/334 |
| article html file updated | 30 September 2019 04:35 CEST | Update | N/A |
| article html file updated | 1 May 2019 23:51 CEST | Update | N/A |
| article html file updated | 17 April 2019 22:24 CEST | Update | N/A |
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| article html file updated | 14 March 2018 18:18 CET | Update | N/A |
| article html file updated | 24 January 2018 11:50 CET | Original file | N/A |
| article xml uploaded. | 24 January 2018 11:48 CET | Update | https://www.mdpi.com/1424-8220/18/2/334/xml |
| article xml uploaded. | 24 January 2018 11:48 CET | Original file | N/A |
| article pdf uploaded. | 24 January 2018 11:48 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/334/pdf |