| article html file updated | 9 February 2020 20:23 CET | Update | https://www.mdpi.com/2077-0383/7/6/137 |
| article html file updated | 30 April 2019 13:32 CEST | Update | - |
| article html file updated | 16 April 2019 14:09 CEST | Update | - |
| article html file updated | 16 April 2019 08:32 CEST | Update | - |
| article html file updated | 30 March 2019 07:55 CET | Update | - |
| article html file updated | 26 June 2018 05:30 CEST | Update | - |
| article html file updated | 5 June 2018 14:51 CEST | Original file | - |
| article pdf uploaded. | 5 June 2018 14:50 CEST | Version of Record | https://www.mdpi.com/2077-0383/7/6/137/pdf |
| article xml uploaded. | 5 June 2018 14:50 CEST | Update | https://www.mdpi.com/2077-0383/7/6/137/xml |
| article xml file uploaded | 5 June 2018 14:50 CEST | Original file | - |
