| article html file updated | 9 February 2020 04:36 CET | Update | https://www.mdpi.com/1424-8220/18/2/371 |
| article html file updated | 30 September 2019 07:02 CEST | Update | - |
| article html file updated | 1 May 2019 23:01 CEST | Update | - |
| article html file updated | 17 April 2019 21:40 CEST | Update | - |
| article html file updated | 28 March 2019 18:53 CET | Update | - |
| article html file updated | 14 March 2018 18:31 CET | Update | - |
| article html file updated | 27 January 2018 11:14 CET | Original file | - |
| article xml uploaded. | 27 January 2018 11:12 CET | Update | https://www.mdpi.com/1424-8220/18/2/371/xml |
| article xml uploaded. | 27 January 2018 11:12 CET | Original file | - |
| article pdf uploaded. | 27 January 2018 11:12 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/371/pdf |
