| article html file updated | 9 February 2020 07:08 CET | Update | https://www.mdpi.com/1424-8220/18/2/632 |
| article html file updated | 30 September 2019 22:14 CEST | Update | - |
| article html file updated | 1 May 2019 17:22 CEST | Update | - |
| article html file updated | 17 April 2019 16:44 CEST | Update | - |
| article html file updated | 29 March 2019 00:23 CET | Update | - |
| article html file updated | 14 March 2018 20:04 CET | Update | - |
| article html file updated | 22 February 2018 10:02 CET | Original file | - |
| article xml uploaded. | 22 February 2018 10:01 CET | Update | https://www.mdpi.com/1424-8220/18/2/632/xml |
| article xml uploaded. | 22 February 2018 10:01 CET | Update | - |
| article xml uploaded. | 22 February 2018 10:01 CET | Original file | - |
| article pdf uploaded. | 22 February 2018 10:01 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/632/pdf |
| article pdf uploaded. | 20 February 2018 17:17 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/632/pdf-vor |
