| article html file updated | 8 February 2020 13:42 CET | Update | https://www.mdpi.com/2077-0375/7/3/45 |
| article html file updated | 3 May 2019 06:37 CEST | Update | - |
| article html file updated | 27 March 2019 21:10 CET | Update | - |
| article html file updated | 30 September 2017 11:31 CEST | Update | - |
| article html file updated | 18 August 2017 11:22 CEST | Update | - |
| article xml uploaded. | 18 August 2017 11:20 CEST | Update | https://www.mdpi.com/2077-0375/7/3/45/xml |
| article pdf uploaded. | 18 August 2017 11:20 CEST | Updated version of record | https://www.mdpi.com/2077-0375/7/3/45/pdf |
| article html file updated | 16 August 2017 14:16 CEST | Original file | - |
| article xml uploaded. | 16 August 2017 14:15 CEST | Original file | - |
| article pdf uploaded. | 16 August 2017 14:15 CEST | Version of Record | https://www.mdpi.com/2077-0375/7/3/45/pdf-vor |
