| article html file updated | 7 February 2020 09:02 CET | Update | https://www.mdpi.com/1420-3049/21/5/669 |
| article html file updated | 21 September 2019 17:36 CEST | Update | N/A |
| article html file updated | 5 May 2019 15:09 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:19 CET | Update | N/A |
| article html file updated | 17 September 2018 04:20 CEST | Update | N/A |
| article html file updated | 26 May 2016 14:07 CEST | Update | N/A |
| article html file updated | 20 May 2016 16:06 CEST | Original file | N/A |
| article xml uploaded. | 20 May 2016 16:05 CEST | Original file | https://www.mdpi.com/1420-3049/21/5/669/xml |
| article pdf uploaded. | 20 May 2016 16:05 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/5/669/pdf |
