| article html file updated | 8 February 2020 07:52 CET | Update | https://www.mdpi.com/1996-1073/10/6/793 |
| article html file updated | 25 September 2019 06:18 CEST | Update | - |
| article html file updated | 3 May 2019 18:13 CEST | Update | - |
| article html file updated | 27 June 2017 10:18 CEST | Update | - |
| article html file updated | 12 June 2017 11:54 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 11:53 CEST | Original file | https://www.mdpi.com/1996-1073/10/6/793/xml |
| article pdf uploaded. | 12 June 2017 11:53 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/793/pdf |
| article pdf uploaded. | 9 June 2017 15:20 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/793/pdf-vor |
