| article html file updated | 11 February 2020 16:43 CET | Update | https://www.mdpi.com/1422-0067/20/4/871 |
| article html file updated | 26 April 2019 15:22 CEST | Update | - |
| article html file updated | 12 April 2019 11:04 CEST | Update | - |
| article html file updated | 3 April 2019 22:15 CEST | Update | - |
| article html file updated | 1 March 2019 16:16 CET | Update | - |
| article html file updated | 1 March 2019 03:49 CET | Update | - |
| article html file updated | 18 February 2019 05:34 CET | Original file | - |
| article pdf uploaded. | 18 February 2019 05:33 CET | Version of Record | https://www.mdpi.com/1422-0067/20/4/871/pdf |
| article xml uploaded. | 18 February 2019 05:33 CET | Update | https://www.mdpi.com/1422-0067/20/4/871/xml |
| article xml file uploaded | 18 February 2019 05:33 CET | Original file | - |
