| article html file updated | 11 February 2020 08:44 CET | Update | https://www.mdpi.com/1424-8220/19/2/306 |
| article html file updated | 13 October 2019 07:53 CEST | Update | - |
| article html file updated | 27 April 2019 07:02 CEST | Update | - |
| article html file updated | 13 April 2019 03:09 CEST | Update | - |
| article html file updated | 3 April 2019 02:59 CEST | Update | - |
| article html file updated | 30 January 2019 06:16 CET | Update | - |
| article html file updated | 14 January 2019 10:48 CET | Original file | - |
| article pdf uploaded. | 14 January 2019 10:46 CET | Version of Record | https://www.mdpi.com/1424-8220/19/2/306/pdf |
| article xml uploaded. | 14 January 2019 10:46 CET | Update | https://www.mdpi.com/1424-8220/19/2/306/xml |
| article xml file uploaded | 14 January 2019 10:46 CET | Original file | - |
