| article html file updated | 9 February 2020 06:08 CET | Update | https://www.mdpi.com/1424-8220/18/2/528 |
| article html file updated | 30 September 2019 16:21 CEST | Update | - |
| article html file updated | 1 May 2019 19:35 CEST | Update | - |
| article html file updated | 17 April 2019 18:44 CEST | Update | - |
| article html file updated | 28 March 2019 22:16 CET | Update | - |
| article html file updated | 14 March 2018 19:33 CET | Update | - |
| article html file updated | 11 February 2018 10:49 CET | Original file | - |
| article xml uploaded. | 11 February 2018 10:48 CET | Original file | https://www.mdpi.com/1424-8220/18/2/528/xml |
| article pdf uploaded. | 11 February 2018 10:48 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/528/pdf |
| article pdf uploaded. | 9 February 2018 18:12 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/528/pdf-vor |