| article html file updated | 10 February 2020 14:45 CET | Update | https://www.mdpi.com/2076-0752/7/4/63 |
| article html file updated | 28 April 2019 22:18 CEST | Update | N/A |
| article html file updated | 14 April 2019 17:29 CEST | Update | N/A |
| article html file updated | 1 April 2019 03:18 CEST | Update | N/A |
| article html file updated | 26 December 2018 08:51 CET | Update | N/A |
| article html file updated | 9 October 2018 11:16 CEST | Original file | N/A |
| article pdf uploaded. | 9 October 2018 11:15 CEST | Version of Record | https://www.mdpi.com/2076-0752/7/4/63/pdf |
| article xml uploaded. | 9 October 2018 11:15 CEST | Update | https://www.mdpi.com/2076-0752/7/4/63/xml |
| article xml file uploaded | 9 October 2018 11:15 CEST | Original file | N/A |