| article html file updated | 8 February 2020 06:55 CET | Update | https://www.mdpi.com/1996-1073/10/6/756 |
| article html file updated | 25 September 2019 01:27 CEST | Update | - |
| article html file updated | 3 May 2019 20:01 CEST | Update | - |
| article html file updated | 27 June 2017 10:09 CEST | Update | - |
| article html file updated | 20 June 2017 09:36 CEST | Update | - |
| article xml uploaded. | 20 June 2017 09:34 CEST | Update | https://www.mdpi.com/1996-1073/10/6/756/xml |
| article pdf uploaded. | 20 June 2017 09:34 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/756/pdf |
| article html file updated | 1 June 2017 10:02 CEST | Original file | - |
| article pdf uploaded. | 1 June 2017 10:00 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/756/pdf-vor |
| article pdf uploaded. | 28 May 2017 08:46 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/756/pdf-vor |
