| article html file updated | 12 February 2020 01:22 CET | Update | https://www.mdpi.com/2076-0752/8/2/43 |
| article html file updated | 4 July 2019 16:21 CEST | Update | - |
| article html file updated | 25 April 2019 20:21 CEST | Update | - |
| article html file updated | 11 April 2019 15:34 CEST | Update | - |
| article html file updated | 28 March 2019 11:08 CET | Original file | - |
| article pdf uploaded. | 28 March 2019 11:06 CET | Version of Record | https://www.mdpi.com/2076-0752/8/2/43/pdf |
| article xml uploaded. | 28 March 2019 11:06 CET | Update | https://www.mdpi.com/2076-0752/8/2/43/xml |
| article xml file uploaded | 28 March 2019 11:06 CET | Original file | - |
