| article html file updated | 8 February 2020 05:30 CET | Update | https://www.mdpi.com/2076-3417/7/5/491 |
| article html file updated | 24 September 2019 18:00 CEST | Update | N/A |
| article html file updated | 3 May 2019 22:43 CEST | Update | N/A |
| article html file updated | 31 May 2017 09:49 CEST | Update | N/A |
| article html file updated | 23 May 2017 03:58 CEST | Update | N/A |
| article html file updated | 10 May 2017 13:51 CEST | Original file | N/A |
| article xml uploaded. | 10 May 2017 13:50 CEST | Original file | https://www.mdpi.com/2076-3417/7/5/491/xml |
| article pdf uploaded. | 10 May 2017 13:50 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/5/491/pdf |
