| article html file updated | 10 February 2020 21:50 CET | Update | https://www.mdpi.com/2227-7080/6/4/108 |
| article html file updated | 10 October 2019 14:30 CEST | Update | - |
| article html file updated | 28 April 2019 07:01 CEST | Update | - |
| article html file updated | 14 April 2019 02:52 CEST | Update | - |
| article html file updated | 1 April 2019 22:24 CEST | Update | - |
| article html file updated | 26 December 2018 03:56 CET | Update | - |
| article html file updated | 17 November 2018 11:34 CET | Original file | - |
| article pdf uploaded. | 17 November 2018 11:32 CET | Updated version of record | https://www.mdpi.com/2227-7080/6/4/108/pdf |
| article xml uploaded. | 17 November 2018 11:32 CET | Update | https://www.mdpi.com/2227-7080/6/4/108/xml |
| article xml file uploaded | 17 November 2018 11:32 CET | Update | - |
| article pdf uploaded. | 16 November 2018 16:12 CET | Updated version of record | https://www.mdpi.com/2227-7080/6/4/108/pdf-vor |
| article pdf uploaded. | 16 November 2018 15:59 CET | Version of Record | https://www.mdpi.com/2227-7080/6/4/108/pdf-vor |
| article xml file uploaded | 16 November 2018 15:59 CET | Original file | - |
