| article html file updated | 9 February 2020 03:02 CET | Update | https://www.mdpi.com/1424-8220/18/1/219 |
| article html file updated | 29 September 2019 21:56 CEST | Update | - |
| article html file updated | 2 May 2019 02:17 CEST | Update | - |
| article html file updated | 18 April 2019 00:32 CEST | Update | - |
| article html file updated | 28 March 2019 15:31 CET | Update | - |
| article html file updated | 2 February 2018 10:59 CET | Update | - |
| article html file updated | 15 January 2018 10:06 CET | Original file | - |
| article xml uploaded. | 15 January 2018 10:05 CET | Original file | https://www.mdpi.com/1424-8220/18/1/219/xml |
| article pdf uploaded. | 15 January 2018 10:05 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/1/219/pdf |
| article pdf uploaded. | 14 January 2018 11:32 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/219/pdf-vor |
