| article html file updated | 8 February 2020 23:24 CET | Update | https://www.mdpi.com/2073-4441/9/12/957 |
| article html file updated | 29 September 2019 01:15 CEST | Update | N/A |
| article html file updated | 2 May 2019 10:05 CEST | Update | N/A |
| article html file updated | 18 April 2019 07:44 CEST | Update | N/A |
| article html file updated | 2 January 2018 16:50 CET | Update | N/A |
| article html file updated | 7 December 2017 15:14 CET | Original file | N/A |
| article xml uploaded. | 7 December 2017 15:13 CET | Update | https://www.mdpi.com/2073-4441/9/12/957/xml |
| article xml uploaded. | 7 December 2017 15:13 CET | Original file | N/A |
| article pdf uploaded. | 7 December 2017 15:13 CET | Updated version of record | https://www.mdpi.com/2073-4441/9/12/957/pdf |
| article pdf uploaded. | 7 December 2017 11:45 CET | Version of Record | N/A |
