| article html file updated | 8 February 2020 08:10 CET | Update | https://www.mdpi.com/1999-4915/9/6/149 |
| article html file updated | 25 September 2019 07:45 CEST | Update | - |
| article html file updated | 3 May 2019 17:41 CEST | Update | - |
| article html file updated | 29 June 2017 12:02 CEST | Update | - |
| article html file updated | 29 June 2017 12:00 CEST | Update | - |
| article html file updated | 29 June 2017 11:59 CEST | Update | - |
| article html file updated | 28 June 2017 15:01 CEST | Update | - |
| article html file updated | 28 June 2017 15:00 CEST | Update | - |
| article html file updated | 14 June 2017 11:11 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 11:10 CEST | Original file | https://www.mdpi.com/1999-4915/9/6/149/xml |
| article pdf uploaded. | 14 June 2017 11:10 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/6/149/pdf |
| article pdf uploaded. | 13 June 2017 13:58 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/6/149/pdf-vor |
