| article html file updated | 9 February 2020 06:01 CET | Update | https://www.mdpi.com/1424-8220/18/2/520 |
| article html file updated | 30 September 2019 15:44 CEST | Update | - |
| article html file updated | 1 May 2019 19:50 CEST | Update | - |
| article html file updated | 17 April 2019 18:57 CEST | Update | - |
| article html file updated | 28 March 2019 22:01 CET | Update | - |
| article html file updated | 14 March 2018 19:31 CET | Update | - |
| article html file updated | 13 February 2018 08:34 CET | Update | - |
| article xml uploaded. | 13 February 2018 08:33 CET | Update | https://www.mdpi.com/1424-8220/18/2/520/xml |
| article pdf uploaded. | 13 February 2018 08:33 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/520/pdf |
| article html file updated | 8 February 2018 17:41 CET | Original file | - |
| article xml uploaded. | 8 February 2018 17:40 CET | Original file | - |
| article pdf uploaded. | 8 February 2018 17:40 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/520/pdf-vor |
