| article html file updated | 10 February 2020 19:57 CET | Update | https://www.mdpi.com/2076-0752/7/4/77 |
| article html file updated | 28 April 2019 11:31 CEST | Update | - |
| article html file updated | 14 April 2019 06:55 CEST | Update | - |
| article html file updated | 1 April 2019 17:27 CEST | Update | - |
| article html file updated | 26 December 2018 08:56 CET | Update | - |
| article html file updated | 6 November 2018 13:21 CET | Original file | - |
| article pdf uploaded. | 6 November 2018 13:20 CET | Version of Record | https://www.mdpi.com/2076-0752/7/4/77/pdf |
| article xml uploaded. | 6 November 2018 13:20 CET | Update | https://www.mdpi.com/2076-0752/7/4/77/xml |
| article xml file uploaded | 6 November 2018 13:20 CET | Original file | - |
