| article html file updated | 10 February 2020 17:21 CET | Update | https://www.mdpi.com/2076-0752/7/4/68 |
| article html file updated | 28 April 2019 17:05 CEST | Update | - |
| article html file updated | 14 April 2019 12:16 CEST | Update | - |
| article html file updated | 1 April 2019 10:15 CEST | Update | - |
| article html file updated | 26 December 2018 08:53 CET | Update | - |
| article pdf uploaded. | 24 October 2018 11:30 CEST | Updated version of record | https://www.mdpi.com/2076-0752/7/4/68/pdf |
| article xml uploaded. | 24 October 2018 11:30 CEST | Update | https://www.mdpi.com/2076-0752/7/4/68/xml |
| article xml file uploaded | 24 October 2018 11:30 CEST | Update | - |
| article html file updated | 24 October 2018 11:30 CEST | Original file | - |
| article pdf uploaded. | 22 October 2018 17:23 CEST | Updated version of record | https://www.mdpi.com/2076-0752/7/4/68/pdf-vor |
| article pdf uploaded. | 22 October 2018 17:12 CEST | Version of Record | https://www.mdpi.com/2076-0752/7/4/68/pdf-vor |
| article xml file uploaded | 22 October 2018 17:12 CEST | Original file | - |
