| article html file updated | 9 February 2020 04:33 CET | Update | https://www.mdpi.com/1660-4601/15/2/218 |
| article html file updated | 30 September 2019 06:44 CEST | Update | - |
| article html file updated | 1 May 2019 23:07 CEST | Update | - |
| article html file updated | 17 April 2019 21:45 CEST | Update | - |
| article html file updated | 28 March 2019 18:47 CET | Update | - |
| article html file updated | 14 March 2018 17:33 CET | Update | - |
| article html file updated | 26 January 2018 18:48 CET | Original file | - |
| article xml uploaded. | 26 January 2018 18:47 CET | Original file | https://www.mdpi.com/1660-4601/15/2/218/xml |
| article pdf uploaded. | 26 January 2018 18:47 CET | Version of Record | https://www.mdpi.com/1660-4601/15/2/218/pdf |
