| article html file updated | 9 February 2020 03:32 CET | Update | https://www.mdpi.com/1996-1073/11/1/230 |
| article html file updated | 30 September 2019 00:54 CEST | Update | - |
| article html file updated | 2 May 2019 01:18 CEST | Update | - |
| article html file updated | 17 April 2019 23:37 CEST | Update | - |
| article html file updated | 28 March 2019 16:38 CET | Update | - |
| article html file updated | 1 February 2018 14:22 CET | Update | - |
| article html file updated | 19 January 2018 04:04 CET | Update | - |
| article xml uploaded. | 19 January 2018 04:03 CET | Update | https://www.mdpi.com/1996-1073/11/1/230/xml |
| article xml uploaded. | 19 January 2018 04:03 CET | Update | - |
| article pdf uploaded. | 19 January 2018 04:03 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/230/pdf |
| article html file updated | 18 January 2018 15:57 CET | Original file | - |
| article xml uploaded. | 18 January 2018 15:56 CET | Update | - |
| article xml uploaded. | 18 January 2018 15:56 CET | Original file | - |
| article pdf uploaded. | 18 January 2018 15:56 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/230/pdf-vor |