| article html file updated | 9 February 2020 04:18 CET | Update | https://www.mdpi.com/1424-8220/18/2/340 |
| article html file updated | 30 September 2019 05:13 CEST | Update | - |
| article html file updated | 1 May 2019 23:39 CEST | Update | - |
| article html file updated | 17 April 2019 22:13 CEST | Update | - |
| article html file updated | 28 March 2019 18:16 CET | Update | - |
| article html file updated | 14 March 2018 18:21 CET | Update | - |
| article html file updated | 25 January 2018 09:45 CET | Original file | - |
| article xml uploaded. | 25 January 2018 09:44 CET | Update | https://www.mdpi.com/1424-8220/18/2/340/xml |
| article xml uploaded. | 25 January 2018 09:44 CET | Update | - |
| article xml uploaded. | 25 January 2018 09:44 CET | Update | - |
| article xml uploaded. | 25 January 2018 09:44 CET | Original file | - |
| article pdf uploaded. | 25 January 2018 09:44 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/340/pdf |
