| article html file updated | 7 February 2020 22:51 CET | Update | https://www.mdpi.com/2076-3417/7/2/151 |
| article html file updated | 23 September 2019 04:59 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:19 CEST | Update | N/A |
| article html file updated | 1 March 2017 04:31 CET | Update | N/A |
| article html file updated | 8 February 2017 12:39 CET | Original file | N/A |
| article xml uploaded. | 8 February 2017 12:37 CET | Original file | https://www.mdpi.com/2076-3417/7/2/151/xml |
| article pdf uploaded. | 8 February 2017 12:37 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/151/pdf |
