| article html file updated | 9 February 2020 14:01 CET | Update | https://www.mdpi.com/1424-8220/18/4/1218 |
| article html file updated | 2 October 2019 16:08 CEST | Update | - |
| article html file updated | 1 May 2019 03:05 CEST | Update | - |
| article html file updated | 17 April 2019 03:32 CEST | Update | - |
| article html file updated | 29 March 2019 16:08 CET | Update | - |
| article html file updated | 7 May 2018 05:12 CEST | Update | - |
| article html file updated | 16 April 2018 16:08 CEST | Original file | - |
| article pdf uploaded. | 16 April 2018 16:06 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1218/pdf |
| article xml uploaded. | 16 April 2018 16:06 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1218/xml |
| article xml file uploaded | 16 April 2018 16:06 CEST | Original file | - |
