| article html file updated | 8 February 2020 00:47 CET | Update | https://www.mdpi.com/1422-0067/18/3/561 |
| article html file updated | 4 May 2019 08:12 CEST | Update | - |
| article html file updated | 30 March 2017 10:37 CEST | Update | - |
| article html file updated | 4 March 2017 11:52 CET | Original file | - |
| article xml uploaded. | 4 March 2017 11:51 CET | Original file | https://www.mdpi.com/1422-0067/18/3/561/xml |
| article pdf uploaded. | 4 March 2017 11:51 CET | Version of Record | https://www.mdpi.com/1422-0067/18/3/561/pdf |
