| article html file updated | 7 February 2020 08:11 CET | Update | https://www.mdpi.com/1420-3049/21/5/561 |
| article html file updated | 21 September 2019 16:29 CEST | Update | N/A |
| article html file updated | 5 May 2019 16:48 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:43 CET | Update | N/A |
| article html file updated | 17 September 2018 03:41 CEST | Update | N/A |
| article html file updated | 26 May 2016 13:31 CEST | Update | N/A |
| article html file updated | 4 May 2016 13:41 CEST | Original file | N/A |
| article xml uploaded. | 4 May 2016 13:40 CEST | Original file | https://www.mdpi.com/1420-3049/21/5/561/xml |
| article pdf uploaded. | 4 May 2016 13:40 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/5/561/pdf |
