| article html file updated | 9 February 2020 11:35 CET | Update | https://www.mdpi.com/1424-8220/18/4/1004 |
| article html file updated | 2 October 2019 01:16 CEST | Update | - |
| article html file updated | 1 May 2019 08:01 CEST | Update | - |
| article html file updated | 17 April 2019 07:58 CEST | Update | - |
| article html file updated | 29 March 2019 10:33 CET | Update | - |
| article html file updated | 7 May 2018 04:12 CEST | Update | - |
| article html file updated | 28 March 2018 11:12 CEST | Original file | - |
| article xml uploaded. | 28 March 2018 10:33 CEST | Original file | https://www.mdpi.com/1424-8220/18/4/1004/xml |
| article pdf uploaded. | 28 March 2018 10:33 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1004/pdf |
