| article html file updated | 8 February 2020 14:27 CET | Update | https://www.mdpi.com/1422-0067/18/9/1857 |
| article html file updated | 26 September 2019 17:57 CEST | Update | N/A |
| article html file updated | 3 May 2019 05:11 CEST | Update | N/A |
| article html file updated | 30 September 2017 12:08 CEST | Update | N/A |
| article html file updated | 25 August 2017 11:26 CEST | Original file | N/A |
| article xml uploaded. | 25 August 2017 11:25 CEST | Update | https://www.mdpi.com/1422-0067/18/9/1857/xml |
| article xml uploaded. | 25 August 2017 11:25 CEST | Original file | N/A |
| article pdf uploaded. | 25 August 2017 11:25 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1857/pdf |
