| article html file updated | 7 February 2020 18:51 CET | Update | https://www.mdpi.com/2077-1444/7/12/140 |
| article html file updated | 4 May 2019 20:51 CEST | Update | N/A |
| article html file updated | 28 December 2016 10:40 CET | Update | N/A |
| article html file updated | 30 November 2016 22:18 CET | Original file | N/A |
| article xml uploaded. | 30 November 2016 15:24 CET | Update | https://www.mdpi.com/2077-1444/7/12/140/xml |
| article xml uploaded. | 30 November 2016 15:24 CET | Original file | N/A |
| article pdf uploaded. | 30 November 2016 15:24 CET | Version of Record | https://www.mdpi.com/2077-1444/7/12/140/pdf |
