| article html file updated | 11 February 2020 00:23 CET | Update | https://www.mdpi.com/2227-7102/8/4/209 |
| article html file updated | 11 October 2019 06:06 CEST | Update | - |
| article html file updated | 28 April 2019 01:28 CEST | Update | - |
| article html file updated | 13 April 2019 21:27 CEST | Update | - |
| article html file updated | 2 April 2019 05:25 CEST | Update | - |
| article html file updated | 27 December 2018 00:17 CET | Update | - |
| article html file updated | 11 December 2018 11:49 CET | Original file | - |
| article pdf uploaded. | 11 December 2018 11:47 CET | Updated version of record | https://www.mdpi.com/2227-7102/8/4/209/pdf |
| article xml uploaded. | 11 December 2018 11:47 CET | Update | https://www.mdpi.com/2227-7102/8/4/209/xml |
| article xml file uploaded | 11 December 2018 11:47 CET | Update | - |
| article pdf uploaded. | 30 November 2018 17:31 CET | Updated version of record | https://www.mdpi.com/2227-7102/8/4/209/pdf-vor |
| article pdf uploaded. | 30 November 2018 17:00 CET | Version of Record | https://www.mdpi.com/2227-7102/8/4/209/pdf-vor |
| article xml file uploaded | 30 November 2018 17:00 CET | Original file | - |
