| article html file updated | 8 February 2020 12:57 CET | Update | https://www.mdpi.com/2077-0383/6/8/78 |
| article html file updated | 26 September 2019 09:44 CEST | Update | - |
| article html file updated | 3 May 2019 08:07 CEST | Update | - |
| article html file updated | 27 March 2019 19:36 CET | Update | - |
| article html file updated | 1 September 2017 08:31 CEST | Update | - |
| article html file updated | 7 August 2017 11:31 CEST | Original file | - |
| article xml uploaded. | 7 August 2017 11:30 CEST | Original file | https://www.mdpi.com/2077-0383/6/8/78/xml |
| article pdf uploaded. | 7 August 2017 11:30 CEST | Version of Record | https://www.mdpi.com/2077-0383/6/8/78/pdf |
