| article html file updated | 7 February 2020 20:41 CET | Update | https://www.mdpi.com/2076-3417/7/1/45 |
| article html file updated | 22 September 2019 17:22 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:00 CEST | Update | N/A |
| article html file updated | 8 February 2017 09:14 CET | Update | N/A |
| article html file updated | 3 January 2017 08:51 CET | Original file | N/A |
| article xml uploaded. | 3 January 2017 08:50 CET | Original file | https://www.mdpi.com/2076-3417/7/1/45/xml |
| article pdf uploaded. | 3 January 2017 08:50 CET | Version of Record | https://www.mdpi.com/2076-3417/7/1/45/pdf |
