| article html file updated | 9 February 2020 01:40 CET | Update | https://www.mdpi.com/1996-1073/11/1/75 |
| article html file updated | 29 September 2019 14:28 CEST | Update | - |
| article html file updated | 2 May 2019 05:06 CEST | Update | - |
| article html file updated | 18 April 2019 03:09 CEST | Update | - |
| article html file updated | 28 March 2019 12:20 CET | Update | - |
| article html file updated | 1 February 2018 11:01 CET | Update | - |
| article html file updated | 8 January 2018 05:58 CET | Update | - |
| article xml uploaded. | 8 January 2018 05:57 CET | Update | https://www.mdpi.com/1996-1073/11/1/75/xml |
| article pdf uploaded. | 8 January 2018 05:57 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/75/pdf |
| article html file updated | 1 January 2018 04:52 CET | Original file | - |
| article pdf uploaded. | 1 January 2018 04:50 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/75/pdf-vor |
