| article html file updated | 10 February 2020 13:29 CET | Update | https://www.mdpi.com/2076-0752/7/4/55 |
| article html file updated | 8 October 2019 11:53 CEST | Update | N/A |
| article html file updated | 29 April 2019 00:48 CEST | Update | N/A |
| article html file updated | 14 April 2019 20:06 CEST | Update | N/A |
| article html file updated | 1 April 2019 00:19 CEST | Update | N/A |
| article html file updated | 26 December 2018 08:48 CET | Update | N/A |
| article html file updated | 29 September 2018 11:47 CEST | Original file | N/A |
| article pdf uploaded. | 29 September 2018 11:45 CEST | Version of Record | https://www.mdpi.com/2076-0752/7/4/55/pdf |
| article xml uploaded. | 29 September 2018 11:45 CEST | Update | https://www.mdpi.com/2076-0752/7/4/55/xml |
| article xml file uploaded | 29 September 2018 11:45 CEST | Original file | N/A |
