| article html file updated | 9 February 2020 03:43 CET | Update | https://www.mdpi.com/1424-8220/18/1/303 |
| article html file updated | 30 September 2019 01:59 CEST | Update | - |
| article html file updated | 2 May 2019 00:54 CEST | Update | - |
| article html file updated | 17 April 2019 23:17 CEST | Update | - |
| article html file updated | 28 March 2019 17:01 CET | Update | - |
| article html file updated | 2 February 2018 11:17 CET | Update | - |
| article html file updated | 23 January 2018 07:03 CET | Original file | - |
| article xml uploaded. | 23 January 2018 07:02 CET | Update | https://www.mdpi.com/1424-8220/18/1/303/xml |
| article xml uploaded. | 23 January 2018 07:02 CET | Original file | - |
| article pdf uploaded. | 23 January 2018 07:02 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/1/303/pdf |
| article pdf uploaded. | 19 January 2018 19:02 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/303/pdf-vor |
