| article html file updated | 13 September 2021 05:52 CEST | Update | https://www.mdpi.com/1424-8220/18/2/454 |
| article html file updated | 9 February 2020 05:26 CET | Update | - |
| article html file updated | 30 September 2019 12:11 CEST | Update | - |
| article html file updated | 1 May 2019 21:10 CEST | Update | - |
| article html file updated | 17 April 2019 20:06 CEST | Update | - |
| article html file updated | 28 March 2019 20:43 CET | Update | - |
| article html file updated | 14 March 2018 19:02 CET | Update | - |
| article html file updated | 6 February 2018 01:46 CET | Original file | - |
| article xml uploaded. | 6 February 2018 01:45 CET | Update | https://www.mdpi.com/1424-8220/18/2/454/xml |
| article pdf uploaded. | 6 February 2018 01:45 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/454/pdf |
| article xml uploaded. | 3 February 2018 12:05 CET | Update | - |
| article xml uploaded. | 3 February 2018 12:05 CET | Original file | - |
| article pdf uploaded. | 3 February 2018 12:05 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/454/pdf-vor |
