| article html file updated | 12 February 2020 01:02 CET | Update | https://www.mdpi.com/2076-0752/8/2/42 |
| article html file updated | 4 July 2019 16:21 CEST | Update | - |
| article html file updated | 25 April 2019 21:05 CEST | Update | - |
| article html file updated | 11 April 2019 16:15 CEST | Update | - |
| article html file updated | 27 March 2019 09:27 CET | Original file | - |
| article pdf uploaded. | 27 March 2019 09:25 CET | Version of Record | https://www.mdpi.com/2076-0752/8/2/42/pdf |
| article xml uploaded. | 27 March 2019 09:25 CET | Update | https://www.mdpi.com/2076-0752/8/2/42/xml |
| article xml file uploaded | 27 March 2019 09:25 CET | Original file | - |
