| article html file updated | 9 February 2020 00:00 CET | Update | https://www.mdpi.com/2073-4360/9/12/709 |
| article html file updated | 29 September 2019 04:46 CEST | Update | N/A |
| article html file updated | 2 May 2019 08:44 CEST | Update | N/A |
| article html file updated | 18 April 2019 06:29 CEST | Update | N/A |
| article html file updated | 2 January 2018 14:49 CET | Update | N/A |
| article html file updated | 14 December 2017 07:27 CET | Original file | N/A |
| article xml uploaded. | 14 December 2017 07:25 CET | Update | https://www.mdpi.com/2073-4360/9/12/709/xml |
| article xml uploaded. | 14 December 2017 07:25 CET | Update | N/A |
| article xml uploaded. | 14 December 2017 07:25 CET | Original file | N/A |
| article pdf uploaded. | 14 December 2017 07:25 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/12/709/pdf |
| article pdf uploaded. | 13 December 2017 15:14 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/709/pdf-vor |
