| article html file updated | 9 February 2020 05:49 CET | Update | https://www.mdpi.com/1424-8220/18/2/497 |
| article html file updated | 30 September 2019 14:30 CEST | Update | - |
| article html file updated | 1 May 2019 20:18 CEST | Update | - |
| article html file updated | 17 April 2019 19:22 CEST | Update | - |
| article html file updated | 28 March 2019 21:34 CET | Update | - |
| article html file updated | 14 March 2018 19:23 CET | Update | - |
| article html file updated | 7 February 2018 10:22 CET | Original file | - |
| article xml uploaded. | 7 February 2018 10:21 CET | Update | https://www.mdpi.com/1424-8220/18/2/497/xml |
| article xml uploaded. | 7 February 2018 10:20 CET | Update | - |
| article xml uploaded. | 7 February 2018 10:20 CET | Original file | - |
| article pdf uploaded. | 7 February 2018 10:20 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/497/pdf |
