| article html file updated | 7 February 2020 22:34 CET | Update | https://www.mdpi.com/1420-3049/22/2/221 |
| article html file updated | 23 September 2019 03:20 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:55 CEST | Update | N/A |
| article html file updated | 11 September 2018 09:50 CEST | Update | N/A |
| article html file updated | 11 September 2018 05:47 CEST | Update | N/A |
| article html file updated | 10 September 2018 10:35 CEST | Update | N/A |
| article html file updated | 2 March 2017 03:55 CET | Update | N/A |
| article html file updated | 10 February 2017 13:44 CET | Original file | N/A |
| article xml uploaded. | 10 February 2017 13:43 CET | Original file | https://www.mdpi.com/1420-3049/22/2/221/xml |
| article pdf uploaded. | 10 February 2017 13:43 CET | Updated version of record | https://www.mdpi.com/1420-3049/22/2/221/pdf |
| article pdf uploaded. | 1 February 2017 14:18 CET | Version of Record | https://www.mdpi.com/1420-3049/22/2/221/pdf-vor |
