| article html file updated | 10 February 2020 23:25 CET | Update | https://www.mdpi.com/2076-0752/7/4/89 |
| article html file updated | 28 April 2019 03:23 CEST | Update | N/A |
| article html file updated | 13 April 2019 23:30 CEST | Update | N/A |
| article html file updated | 2 April 2019 02:41 CEST | Update | N/A |
| article html file updated | 26 December 2018 09:00 CET | Update | N/A |
| article html file updated | 26 November 2018 13:13 CET | Original file | N/A |
| article pdf uploaded. | 26 November 2018 13:00 CET | Version of Record | https://www.mdpi.com/2076-0752/7/4/89/pdf |
| article xml uploaded. | 26 November 2018 13:00 CET | Update | https://www.mdpi.com/2076-0752/7/4/89/xml |
| article xml file uploaded | 26 November 2018 13:00 CET | Original file | N/A |