| article html file updated | 8 February 2020 01:34 CET | Update | https://www.mdpi.com/1422-0067/18/3/643 |
| article html file updated | 23 September 2019 20:22 CEST | Update | - |
| article html file updated | 4 May 2019 06:31 CEST | Update | - |
| article html file updated | 30 March 2017 10:47 CEST | Update | - |
| article html file updated | 16 March 2017 09:14 CET | Original file | - |
| article xml uploaded. | 16 March 2017 09:13 CET | Original file | https://www.mdpi.com/1422-0067/18/3/643/xml |
| article pdf uploaded. | 16 March 2017 09:13 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/643/pdf |
