| article html file updated | 8 February 2020 22:59 CET | Update | https://www.mdpi.com/2077-1444/8/12/264 |
| article html file updated | 2 May 2019 10:58 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:35 CEST | Update | N/A |
| article html file updated | 2 January 2018 15:39 CET | Update | N/A |
| article html file updated | 3 December 2017 14:25 CET | Original file | N/A |
| article xml uploaded. | 3 December 2017 14:24 CET | Original file | https://www.mdpi.com/2077-1444/8/12/264/xml |
| article pdf uploaded. | 3 December 2017 14:24 CET | Version of Record | https://www.mdpi.com/2077-1444/8/12/264/pdf |
