| article html file updated | 8 February 2020 00:19 CET | Update | https://www.mdpi.com/1422-0067/18/3/508 |
| article html file updated | 23 September 2019 13:14 CEST | Update | - |
| article html file updated | 4 May 2019 09:18 CEST | Update | - |
| article html file updated | 30 March 2017 10:30 CEST | Update | - |
| article html file updated | 26 February 2017 10:39 CET | Original file | - |
| article xml uploaded. | 26 February 2017 10:37 CET | Original file | https://www.mdpi.com/1422-0067/18/3/508/xml |
| article pdf uploaded. | 26 February 2017 10:37 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/508/pdf |
