| article html file updated | 8 February 2020 00:41 CET | Update | https://www.mdpi.com/1422-0067/18/3/542 |
| article html file updated | 23 September 2019 15:20 CEST | Update | - |
| article html file updated | 4 May 2019 08:26 CEST | Update | - |
| article html file updated | 30 March 2017 10:35 CEST | Update | - |
| article html file updated | 3 March 2017 11:35 CET | Original file | - |
| article xml uploaded. | 3 March 2017 11:34 CET | Update | https://www.mdpi.com/1422-0067/18/3/542/xml |
| article pdf uploaded. | 3 March 2017 11:34 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/542/pdf |
