| article html file updated | 8 February 2020 13:38 CET | Update | https://www.mdpi.com/2073-8994/9/8/157 |
| article html file updated | 26 September 2019 13:38 CEST | Update | - |
| article html file updated | 3 May 2019 06:46 CEST | Update | - |
| article html file updated | 27 March 2019 21:01 CET | Update | - |
| article html file updated | 30 August 2017 09:52 CEST | Update | - |
| article html file updated | 16 August 2017 08:11 CEST | Original file | - |
| article xml uploaded. | 16 August 2017 08:10 CEST | Original file | https://www.mdpi.com/2073-8994/9/8/157/xml |
| article pdf uploaded. | 16 August 2017 08:10 CEST | Updated version of record | https://www.mdpi.com/2073-8994/9/8/157/pdf |
| article pdf uploaded. | 15 August 2017 14:35 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/8/157/pdf-vor |
