| article html file updated | 10 February 2020 23:30 CET | Update | https://www.mdpi.com/2076-0752/7/4/90 |
| article html file updated | 28 April 2019 03:12 CEST | Update | N/A |
| article html file updated | 13 April 2019 23:19 CEST | Update | N/A |
| article html file updated | 2 April 2019 02:55 CEST | Update | N/A |
| article html file updated | 26 December 2018 09:00 CET | Update | N/A |
| article html file updated | 27 November 2018 10:12 CET | Original file | N/A |
| article pdf uploaded. | 27 November 2018 05:07 CET | Version of Record | https://www.mdpi.com/2076-0752/7/4/90/pdf |
| article xml uploaded. | 27 November 2018 05:07 CET | Update | https://www.mdpi.com/2076-0752/7/4/90/xml |
| article xml file uploaded | 27 November 2018 05:07 CET | Original file | N/A |
