| article html file updated | 10 February 2020 16:32 CET | Update | https://www.mdpi.com/2076-0752/7/4/67 |
| article html file updated | 28 April 2019 18:46 CEST | Update | - |
| article html file updated | 14 April 2019 13:56 CEST | Update | - |
| article html file updated | 1 April 2019 07:57 CEST | Update | - |
| article html file updated | 26 December 2018 08:52 CET | Update | - |
| article html file updated | 18 October 2018 06:36 CEST | Original file | - |
| article pdf uploaded. | 18 October 2018 06:36 CEST | Version of Record | https://www.mdpi.com/2076-0752/7/4/67/pdf |
| article xml uploaded. | 18 October 2018 06:36 CEST | Update | https://www.mdpi.com/2076-0752/7/4/67/xml |
| article xml file uploaded | 18 October 2018 06:36 CEST | Original file | - |
