| article html file updated | 8 February 2020 03:47 CET | Update | https://www.mdpi.com/1422-0067/18/4/843 |
| article html file updated | 24 September 2019 08:54 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:51 CEST | Update | N/A |
| article html file updated | 2 May 2017 06:12 CEST | Update | N/A |
| article html file updated | 17 April 2017 17:09 CEST | Original file | N/A |
| article xml uploaded. | 17 April 2017 17:08 CEST | Update | https://www.mdpi.com/1422-0067/18/4/843/xml |
| article pdf uploaded. | 17 April 2017 17:08 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/843/pdf |
