| article html file updated | 12 February 2020 07:32 CET | Update | https://www.mdpi.com/2220-9964/8/4/197 |
| article html file updated | 18 October 2019 22:38 CEST | Update | N/A |
| article html file updated | 9 May 2019 11:13 CEST | Update | N/A |
| article html file updated | 26 April 2019 06:39 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2019 06:37 CEST | Updated version of record | https://www.mdpi.com/2220-9964/8/4/197/pdf |
| article xml uploaded. | 26 April 2019 06:37 CEST | Update | https://www.mdpi.com/2220-9964/8/4/197/xml |
| article xml file uploaded | 26 April 2019 06:37 CEST | Update | N/A |
| article pdf uploaded. | 24 April 2019 15:30 CEST | Version of Record | https://www.mdpi.com/2220-9964/8/4/197/pdf-vor |
| article xml file uploaded | 24 April 2019 15:30 CEST | Original file | N/A |
