| article html file updated | 8 February 2020 12:46 CET | Update | https://www.mdpi.com/2077-0472/7/8/67 |
| article html file updated | 26 September 2019 08:35 CEST | Update | - |
| article html file updated | 3 May 2019 08:31 CEST | Update | - |
| article html file updated | 27 March 2019 19:12 CET | Update | - |
| article html file updated | 30 August 2017 08:49 CEST | Update | - |
| article html file updated | 4 August 2017 08:22 CEST | Original file | - |
| article xml uploaded. | 4 August 2017 08:21 CEST | Original file | https://www.mdpi.com/2077-0472/7/8/67/xml |
| article pdf uploaded. | 4 August 2017 08:21 CEST | Version of Record | https://www.mdpi.com/2077-0472/7/8/67/pdf |
