| article html file updated | 8 February 2020 22:40 CET | Update | https://www.mdpi.com/2071-1050/9/12/2218 |
| article html file updated | 28 September 2019 20:52 CEST | Update | N/A |
| article html file updated | 2 May 2019 11:42 CEST | Update | N/A |
| article html file updated | 18 April 2019 09:19 CEST | Update | N/A |
| article html file updated | 2 January 2018 17:53 CET | Update | N/A |
| article html file updated | 30 November 2017 17:28 CET | Original file | N/A |
| article xml uploaded. | 30 November 2017 16:48 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2218/xml |
| article pdf uploaded. | 30 November 2017 16:48 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/12/2218/pdf |
| article pdf uploaded. | 30 November 2017 12:18 CET | Version of Record | N/A |
