| article html file updated | 10 February 2020 21:58 CET | Update | https://www.mdpi.com/2227-7102/8/4/203 |
| article html file updated | 28 April 2019 06:40 CEST | Update | - |
| article html file updated | 14 April 2019 02:34 CEST | Update | - |
| article html file updated | 1 April 2019 22:48 CEST | Update | - |
| article html file updated | 27 December 2018 00:15 CET | Update | - |
| article html file updated | 18 November 2018 03:59 CET | Original file | - |
| article pdf uploaded. | 18 November 2018 03:58 CET | Version of Record | https://www.mdpi.com/2227-7102/8/4/203/pdf |
| article xml uploaded. | 18 November 2018 03:58 CET | Update | https://www.mdpi.com/2227-7102/8/4/203/xml |
| article xml file uploaded | 18 November 2018 03:58 CET | Original file | - |
