| article html file updated | 7 February 2020 23:44 CET | Update | https://www.mdpi.com/2076-3417/7/2/204 |
| article html file updated | 23 September 2019 09:51 CEST | Update | - |
| article html file updated | 4 May 2019 10:35 CEST | Update | - |
| article html file updated | 1 March 2017 04:41 CET | Update | - |
| article html file updated | 18 February 2017 10:29 CET | Original file | - |
| article xml uploaded. | 18 February 2017 10:28 CET | Original file | https://www.mdpi.com/2076-3417/7/2/204/xml |
| article pdf uploaded. | 18 February 2017 10:28 CET | Version of Record | https://www.mdpi.com/2076-3417/7/2/204/pdf |
