| article html file updated | 7 February 2020 22:11 CET | Update | https://www.mdpi.com/1422-0067/18/2/245 |
| article html file updated | 23 September 2019 01:17 CEST | Update | - |
| article html file updated | 4 May 2019 13:41 CEST | Update | - |
| article html file updated | 2 March 2017 09:44 CET | Update | - |
| article html file updated | 25 January 2017 04:07 CET | Original file | - |
| article xml uploaded. | 25 January 2017 04:06 CET | Original file | https://www.mdpi.com/1422-0067/18/2/245/xml |
| article pdf uploaded. | 25 January 2017 04:06 CET | Version of Record | https://www.mdpi.com/1422-0067/18/2/245/pdf |
