| article html file updated | 7 February 2020 23:10 CET | Update | https://www.mdpi.com/1996-1944/10/2/157 |
| article html file updated | 4 May 2019 11:42 CEST | Update | - |
| article html file updated | 2 March 2017 09:16 CET | Update | - |
| article html file updated | 16 February 2017 04:29 CET | Original file | - |
| article xml uploaded. | 16 February 2017 04:28 CET | Original file | https://www.mdpi.com/1996-1944/10/2/157/xml |
| article pdf uploaded. | 16 February 2017 04:28 CET | Updated version of record | https://www.mdpi.com/1996-1944/10/2/157/pdf |
| article pdf uploaded. | 10 February 2017 18:33 CET | Version of Record | https://www.mdpi.com/1996-1944/10/2/157/pdf-vor |
