| article html file updated | 10 February 2020 19:59 CET | Update | https://www.mdpi.com/2076-0787/7/4/111 |
| article html file updated | 28 April 2019 11:27 CEST | Update | - |
| article html file updated | 14 April 2019 06:51 CEST | Update | - |
| article html file updated | 1 April 2019 17:31 CEST | Update | - |
| article html file updated | 9 November 2018 09:37 CET | Original file | - |
| article pdf uploaded. | 9 November 2018 09:36 CET | Updated version of record | https://www.mdpi.com/2076-0787/7/4/111/pdf |
| article xml uploaded. | 9 November 2018 09:36 CET | Update | https://www.mdpi.com/2076-0787/7/4/111/xml |
| article xml file uploaded | 9 November 2018 09:36 CET | Update | - |
| article pdf uploaded. | 6 November 2018 15:04 CET | Updated version of record | https://www.mdpi.com/2076-0787/7/4/111/pdf-vor |
| article pdf uploaded. | 6 November 2018 15:02 CET | Version of Record | https://www.mdpi.com/2076-0787/7/4/111/pdf-vor |
| article xml file uploaded | 6 November 2018 15:02 CET | Original file | - |
