| article html file updated | 9 February 2020 00:18 CET | Update | https://www.mdpi.com/2073-4360/9/12/723 |
| article html file updated | 29 September 2019 06:31 CEST | Update | - |
| article html file updated | 2 May 2019 08:05 CEST | Update | - |
| article html file updated | 18 April 2019 05:54 CEST | Update | - |
| article html file updated | 2 January 2018 15:15 CET | Update | - |
| article html file updated | 18 December 2017 04:47 CET | Update | - |
| article xml uploaded. | 18 December 2017 04:46 CET | Update | https://www.mdpi.com/2073-4360/9/12/723/xml |
| article xml uploaded. | 18 December 2017 04:46 CET | Update | - |
| article pdf uploaded. | 18 December 2017 04:46 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/12/723/pdf |
| article html file updated | 16 December 2017 09:18 CET | Original file | - |
| article xml uploaded. | 16 December 2017 09:17 CET | Original file | - |
| article pdf uploaded. | 16 December 2017 09:17 CET | Version of Record | https://www.mdpi.com/2073-4360/9/12/723/pdf-vor |
