| article html file updated | 10 February 2020 15:52 CET | Update | https://www.mdpi.com/2225-1146/6/4/42 |
| article html file updated | 28 April 2019 20:09 CEST | Update | - |
| article html file updated | 14 April 2019 15:17 CEST | Update | - |
| article html file updated | 1 April 2019 06:16 CEST | Update | - |
| article html file updated | 26 December 2018 23:59 CET | Update | - |
| article pdf uploaded. | 23 October 2018 05:20 CEST | Updated version of record | https://www.mdpi.com/2225-1146/6/4/42/pdf |
| article xml uploaded. | 23 October 2018 05:20 CEST | Update | https://www.mdpi.com/2225-1146/6/4/42/xml |
| article xml file uploaded | 23 October 2018 05:20 CEST | Update | - |
| article html file updated | 23 October 2018 05:20 CEST | Update | - |
| article html file updated | 15 October 2018 09:00 CEST | Original file | - |
| article pdf uploaded. | 15 October 2018 09:00 CEST | Version of Record | https://www.mdpi.com/2225-1146/6/4/42/pdf-vor |
| article xml uploaded. | 15 October 2018 09:00 CEST | Update | - |
| article xml file uploaded | 15 October 2018 09:00 CEST | Original file | - |
