| article html file updated | 8 February 2020 22:13 CET | Update | https://www.mdpi.com/2076-3417/7/12/1220 |
| article html file updated | 28 September 2019 18:11 CEST | Update | N/A |
| article html file updated | 2 May 2019 12:42 CEST | Update | N/A |
| article html file updated | 18 April 2019 10:20 CEST | Update | N/A |
| article html file updated | 2 January 2018 13:33 CET | Update | N/A |
| article html file updated | 25 November 2017 11:34 CET | Original file | N/A |
| article xml uploaded. | 25 November 2017 11:32 CET | Update | https://www.mdpi.com/2076-3417/7/12/1220/xml |
| article xml uploaded. | 25 November 2017 11:32 CET | Original file | N/A |
| article pdf uploaded. | 25 November 2017 11:32 CET | Version of Record | https://www.mdpi.com/2076-3417/7/12/1220/pdf |
