| article html file updated | 9 February 2020 05:44 CET | Update | https://www.mdpi.com/1424-8220/18/2/489 |
| article html file updated | 30 September 2019 14:00 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:29 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:31 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:23 CET | Update | N/A |
| article html file updated | 14 March 2018 19:19 CET | Update | N/A |
| article html file updated | 6 February 2018 18:13 CET | Original file | N/A |
| article xml uploaded. | 6 February 2018 18:11 CET | Update | https://www.mdpi.com/1424-8220/18/2/489/xml |
| article xml uploaded. | 6 February 2018 18:11 CET | Original file | N/A |
| article pdf uploaded. | 6 February 2018 18:11 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/489/pdf |
