| article html file updated | 7 February 2020 23:10 CET | Update | https://www.mdpi.com/1996-1944/10/2/159 |
| article html file updated | 23 September 2019 06:44 CEST | Update | - |
| article html file updated | 4 May 2019 11:42 CEST | Update | - |
| article html file updated | 2 March 2017 09:17 CET | Update | - |
| article html file updated | 13 February 2017 04:39 CET | Original file | - |
| article xml uploaded. | 13 February 2017 04:37 CET | Update | https://www.mdpi.com/1996-1944/10/2/159/xml |
| article xml uploaded. | 13 February 2017 04:37 CET | Original file | - |
| article pdf uploaded. | 13 February 2017 04:37 CET | Updated version of record | https://www.mdpi.com/1996-1944/10/2/159/pdf |
| article pdf uploaded. | 10 February 2017 18:56 CET | Version of Record | https://www.mdpi.com/1996-1944/10/2/159/pdf-vor |
