| article html file updated | 8 February 2020 03:44 CET | Update | https://www.mdpi.com/1996-1073/10/4/549 |
| article html file updated | 24 September 2019 08:39 CEST | Update | - |
| article html file updated | 4 May 2019 01:55 CEST | Update | - |
| article html file updated | 28 April 2017 06:23 CEST | Update | - |
| article html file updated | 18 April 2017 06:38 CEST | Original file | - |
| article xml uploaded. | 18 April 2017 06:36 CEST | Update | https://www.mdpi.com/1996-1073/10/4/549/xml |
| article pdf uploaded. | 18 April 2017 06:36 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/4/549/pdf |
| article pdf uploaded. | 17 April 2017 13:54 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/4/549/pdf-vor |
| article pdf uploaded. | 17 April 2017 13:47 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/549/pdf-vor |
