| article html file updated | 7 February 2020 19:59 CET | Update | https://www.mdpi.com/1420-3049/21/12/1750 |
| article html file updated | 22 September 2019 13:32 CEST | Update | - |
| article html file updated | 4 May 2019 18:27 CEST | Update | - |
| article html file updated | 17 September 2018 13:42 CEST | Update | - |
| article html file updated | 27 December 2016 12:14 CET | Update | - |
| article html file updated | 20 December 2016 11:51 CET | Original file | - |
| article xml uploaded. | 20 December 2016 11:50 CET | Original file | https://www.mdpi.com/1420-3049/21/12/1750/xml |
| article pdf uploaded. | 20 December 2016 11:50 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1750/pdf |
