| article html file updated | 8 February 2020 08:01 CET | Update | https://www.mdpi.com/1999-4915/9/6/144 |
| article html file updated | 25 September 2019 06:58 CEST | Update | - |
| article html file updated | 3 May 2019 17:58 CEST | Update | - |
| article html file updated | 29 June 2017 12:01 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 | 12 June 2017 09:40 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 09:39 CEST | Original file | https://www.mdpi.com/1999-4915/9/6/144/xml |
| article pdf uploaded. | 12 June 2017 09:39 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/6/144/pdf |
| article pdf uploaded. | 10 June 2017 13:53 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/6/144/pdf-vor |
