| article html file updated | 9 February 2020 05:47 CET | Update | https://www.mdpi.com/1424-8220/18/2/492 |
| article html file updated | 1 May 2019 20:21 CEST | Update | - |
| article html file updated | 17 April 2019 19:25 CEST | Update | - |
| article html file updated | 28 March 2019 21:31 CET | Update | - |
| article html file updated | 14 March 2018 19:21 CET | Update | - |
| article html file updated | 7 February 2018 08:21 CET | Original file | - |
| article xml uploaded. | 7 February 2018 08:20 CET | Original file | https://www.mdpi.com/1424-8220/18/2/492/xml |
| article pdf uploaded. | 7 February 2018 08:20 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/492/pdf |
