| article html file updated | 9 February 2020 04:05 CET | Update | https://www.mdpi.com/1424-8220/18/2/326 |
| article html file updated | 30 September 2019 04:00 CEST | Update | - |
| article html file updated | 2 May 2019 00:04 CEST | Update | - |
| article html file updated | 17 April 2019 22:35 CEST | Update | - |
| article html file updated | 28 March 2019 17:49 CET | Update | - |
| article html file updated | 14 March 2018 18:16 CET | Update | - |
| article html file updated | 24 January 2018 03:20 CET | Original file | - |
| article xml uploaded. | 24 January 2018 03:19 CET | Update | https://www.mdpi.com/1424-8220/18/2/326/xml |
| article xml uploaded. | 24 January 2018 03:19 CET | Update | - |
| article xml uploaded. | 23 January 2018 18:08 CET | Update | - |
| article xml uploaded. | 23 January 2018 18:08 CET | Original file | - |
| article pdf uploaded. | 23 January 2018 18:08 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/326/pdf |
