| article html file updated | 7 February 2020 08:45 CET | Update | https://www.mdpi.com/1420-3049/21/5/648 |
| article html file updated | 21 September 2019 17:14 CEST | Update | N/A |
| article html file updated | 5 May 2019 15:43 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:47 CET | Update | N/A |
| article html file updated | 17 September 2018 04:13 CEST | Update | N/A |
| article html file updated | 26 May 2016 13:59 CEST | Update | N/A |
| article html file updated | 16 May 2016 12:39 CEST | Original file | N/A |
| article xml uploaded. | 16 May 2016 12:38 CEST | Original file | https://www.mdpi.com/1420-3049/21/5/648/xml |
| article pdf uploaded. | 16 May 2016 12:38 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/5/648/pdf |
