| article html file updated | 8 February 2020 22:05 CET | Update | https://www.mdpi.com/2077-1444/8/12/256 |
| article html file updated | 2 May 2019 13:00 CEST | Update | N/A |
| article html file updated | 18 April 2019 10:38 CEST | Update | N/A |
| article html file updated | 2 January 2018 15:39 CET | Update | N/A |
| article html file updated | 28 November 2017 10:09 CET | Update | N/A |
| article xml uploaded. | 28 November 2017 10:07 CET | Update | https://www.mdpi.com/2077-1444/8/12/256/xml |
| article xml uploaded. | 28 November 2017 10:07 CET | Update | N/A |
| article pdf uploaded. | 28 November 2017 10:07 CET | Updated version of record | https://www.mdpi.com/2077-1444/8/12/256/pdf |
| article html file updated | 23 November 2017 15:37 CET | Original file | N/A |
| article xml uploaded. | 23 November 2017 15:36 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2017 15:36 CET | Version of Record | https://www.mdpi.com/2077-1444/8/12/256/pdf-vor |
