| article html file updated | 9 February 2020 08:22 CET | Update | https://www.mdpi.com/1424-8220/18/3/756 |
| article html file updated | 1 October 2019 05:18 CEST | Update | - |
| article html file updated | 1 May 2019 14:48 CEST | Update | - |
| article html file updated | 17 April 2019 14:22 CEST | Update | - |
| article html file updated | 29 March 2019 03:19 CET | Update | - |
| article html file updated | 29 March 2018 09:21 CEST | Update | - |
| article html file updated | 5 March 2018 09:46 CET | Update | - |
| article xml uploaded. | 5 March 2018 09:45 CET | Update | https://www.mdpi.com/1424-8220/18/3/756/xml |
| article pdf uploaded. | 5 March 2018 09:45 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/3/756/pdf |
| article html file updated | 2 March 2018 10:07 CET | Original file | - |
| article pdf uploaded. | 2 March 2018 10:06 CET | Version of Record | https://www.mdpi.com/1424-8220/18/3/756/pdf-vor |
