| article html file updated | 9 February 2020 03:42 CET | Update | https://www.mdpi.com/1996-1073/11/1/245 |
| article html file updated | 30 September 2019 01:54 CEST | Update | - |
| article html file updated | 2 May 2019 00:55 CEST | Update | - |
| article html file updated | 17 April 2019 23:18 CEST | Update | - |
| article html file updated | 28 March 2019 17:00 CET | Update | - |
| article html file updated | 1 February 2018 14:27 CET | Update | - |
| article html file updated | 22 January 2018 07:26 CET | Original file | - |
| article xml uploaded. | 22 January 2018 07:24 CET | Update | https://www.mdpi.com/1996-1073/11/1/245/xml |
| article xml uploaded. | 22 January 2018 07:24 CET | Original file | - |
| article pdf uploaded. | 22 January 2018 07:24 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/245/pdf |
| article pdf uploaded. | 19 January 2018 16:59 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/245/pdf-vor |
