| article html file updated | 8 February 2020 03:29 CET | Update | https://www.mdpi.com/1424-8220/17/4/848 |
| article html file updated | 24 September 2019 07:04 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:25 CEST | Update | N/A |
| article html file updated | 29 April 2017 14:09 CEST | Update | N/A |
| article html file updated | 20 April 2017 10:44 CEST | Update | N/A |
| article xml uploaded. | 20 April 2017 10:42 CEST | Update | https://www.mdpi.com/1424-8220/17/4/848/xml |
| article pdf uploaded. | 20 April 2017 10:42 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/848/pdf |
| article html file updated | 13 April 2017 08:41 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2017 08:39 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/848/pdf-vor |
