| article html file updated | 9 February 2020 00:52 CET | Update | https://www.mdpi.com/1996-1073/11/1/18 |
| article html file updated | 29 September 2019 09:51 CEST | Update | - |
| article html file updated | 2 May 2019 06:51 CEST | Update | - |
| article html file updated | 18 April 2019 04:46 CEST | Update | - |
| article html file updated | 28 March 2019 10:21 CET | Update | - |
| article html file updated | 1 February 2018 09:23 CET | Update | - |
| article html file updated | 25 December 2017 08:56 CET | Update | - |
| article xml uploaded. | 25 December 2017 08:54 CET | Update | https://www.mdpi.com/1996-1073/11/1/18/xml |
| article xml uploaded. | 25 December 2017 08:54 CET | Update | - |
| article pdf uploaded. | 25 December 2017 08:54 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/18/pdf |
| article html file updated | 22 December 2017 09:03 CET | Original file | - |
| article xml uploaded. | 22 December 2017 09:02 CET | Update | - |
| article xml uploaded. | 22 December 2017 09:02 CET | Original file | - |
| article pdf uploaded. | 22 December 2017 09:02 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/18/pdf-vor |
