| article html file updated | 8 February 2020 23:50 CET | Update | https://www.mdpi.com/2072-6651/9/12/399 |
| article html file updated | 29 September 2019 03:46 CEST | Update | - |
| article html file updated | 2 May 2019 09:05 CEST | Update | - |
| article html file updated | 18 April 2019 06:49 CEST | Update | - |
| article html file updated | 2 January 2018 17:21 CET | Update | - |
| article html file updated | 15 December 2017 07:39 CET | Update | - |
| article xml uploaded. | 15 December 2017 07:38 CET | Update | https://www.mdpi.com/2072-6651/9/12/399/xml |
| article xml uploaded. | 15 December 2017 07:38 CET | Update | - |
| article pdf uploaded. | 15 December 2017 07:38 CET | Updated version of record | https://www.mdpi.com/2072-6651/9/12/399/pdf |
| article html file updated | 12 December 2017 12:13 CET | Original file | - |
| article xml uploaded. | 12 December 2017 12:12 CET | Update | - |
| article xml uploaded. | 12 December 2017 12:12 CET | Original file | - |
| article pdf uploaded. | 12 December 2017 12:12 CET | Version of Record | https://www.mdpi.com/2072-6651/9/12/399/pdf-vor |
