| article html file updated | 9 February 2020 04:23 CET | Update | https://www.mdpi.com/1660-4601/15/2/203 |
| article html file updated | 30 September 2019 05:38 CEST | Update | - |
| article html file updated | 1 May 2019 23:30 CEST | Update | - |
| article html file updated | 17 April 2019 22:05 CEST | Update | - |
| article html file updated | 28 March 2019 18:25 CET | Update | - |
| article html file updated | 14 March 2018 17:29 CET | Update | - |
| article html file updated | 29 January 2018 03:11 CET | Original file | - |
| article xml uploaded. | 29 January 2018 03:06 CET | Original file | https://www.mdpi.com/1660-4601/15/2/203/xml |
| article pdf uploaded. | 29 January 2018 03:05 CET | Updated version of record | https://www.mdpi.com/1660-4601/15/2/203/pdf |
| article pdf uploaded. | 25 January 2018 17:11 CET | Version of Record | https://www.mdpi.com/1660-4601/15/2/203/pdf-vor |
