| article html file updated | 8 February 2020 06:35 CET | Update | https://www.mdpi.com/1996-1073/10/6/740 |
| article html file updated | 24 September 2019 23:45 CEST | Update | - |
| article html file updated | 3 May 2019 20:37 CEST | Update | - |
| article html file updated | 27 June 2017 10:05 CEST | Update | - |
| article html file updated | 25 May 2017 10:29 CEST | Update | - |
| article xml uploaded. | 25 May 2017 10:28 CEST | Update | https://www.mdpi.com/1996-1073/10/6/740/xml |
| article pdf uploaded. | 25 May 2017 10:28 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/740/pdf |
| article html file updated | 24 May 2017 17:08 CEST | Original file | - |
| article pdf uploaded. | 24 May 2017 17:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/740/pdf-vor |
