| article html file updated | 8 February 2020 23:48 CET | Update | https://www.mdpi.com/1996-1073/10/12/2103 |
| article html file updated | 29 September 2019 03:32 CEST | Update | - |
| article html file updated | 2 May 2019 09:11 CEST | Update | - |
| article html file updated | 18 April 2019 06:55 CEST | Update | - |
| article html file updated | 2 January 2018 19:58 CET | Update | - |
| article html file updated | 14 December 2017 04:25 CET | Original file | - |
| article xml uploaded. | 14 December 2017 04:24 CET | Original file | https://www.mdpi.com/1996-1073/10/12/2103/xml |
| article pdf uploaded. | 14 December 2017 04:24 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/12/2103/pdf |
| article pdf uploaded. | 11 December 2017 17:33 CET | Version of Record | https://www.mdpi.com/1996-1073/10/12/2103/pdf-vor |
