| article html file updated | 9 February 2020 00:28 CET | Update | https://www.mdpi.com/1996-1073/10/12/2168 |
| article html file updated | 29 September 2019 07:34 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:43 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:33 CEST | Update | N/A |
| article html file updated | 2 January 2018 20:11 CET | Update | N/A |
| article html file updated | 19 December 2017 10:53 CET | Original file | N/A |
| article xml uploaded. | 19 December 2017 10:52 CET | Original file | https://www.mdpi.com/1996-1073/10/12/2168/xml |
| article pdf uploaded. | 19 December 2017 10:52 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/2168/pdf |
| article pdf uploaded. | 18 December 2017 17:53 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2168/pdf-vor |
