| article html file updated | 9 February 2020 05:08 CET | Update | https://www.mdpi.com/1424-8220/18/2/424 |
| article html file updated | 30 September 2019 10:15 CEST | Update | N/A |
| article html file updated | 1 May 2019 21:50 CEST | Update | N/A |
| article html file updated | 17 April 2019 20:38 CEST | Update | N/A |
| article html file updated | 28 March 2019 20:06 CET | Update | N/A |
| article html file updated | 14 March 2018 18:50 CET | Update | N/A |
| article html file updated | 1 February 2018 15:49 CET | Original file | N/A |
| article xml uploaded. | 1 February 2018 09:53 CET | Original file | https://www.mdpi.com/1424-8220/18/2/424/xml |
| article pdf uploaded. | 1 February 2018 09:53 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/424/pdf |
