| article html file updated | 10 February 2020 13:49 CET | Update | https://www.mdpi.com/2076-0752/7/4/57 |
| article html file updated | 29 April 2019 00:05 CEST | Update | N/A |
| article html file updated | 14 April 2019 19:26 CEST | Update | N/A |
| article html file updated | 1 April 2019 01:03 CEST | Update | N/A |
| article html file updated | 26 December 2018 08:49 CET | Update | N/A |
| article html file updated | 1 October 2018 11:58 CEST | Original file | N/A |
| article pdf uploaded. | 1 October 2018 11:57 CEST | Version of Record | https://www.mdpi.com/2076-0752/7/4/57/pdf |
| article xml uploaded. | 1 October 2018 11:57 CEST | Update | https://www.mdpi.com/2076-0752/7/4/57/xml |
| article xml file uploaded | 1 October 2018 11:57 CEST | Original file | N/A |
