| article html file updated | 8 February 2020 23:03 CET | Update | https://www.mdpi.com/2071-1050/9/12/2238 |
| article html file updated | 28 September 2019 23:19 CEST | Update | N/A |
| article html file updated | 2 May 2019 10:50 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:27 CEST | Update | N/A |
| article html file updated | 2 January 2018 18:06 CET | Update | N/A |
| article html file updated | 4 December 2017 11:56 CET | Original file | N/A |
| article xml uploaded. | 4 December 2017 11:54 CET | Update | https://www.mdpi.com/2071-1050/9/12/2238/xml |
| article xml uploaded. | 4 December 2017 11:54 CET | Original file | N/A |
| article pdf uploaded. | 4 December 2017 11:54 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2238/pdf |
