| article html file updated | 30 August 2025 03:26 CEST | Update | https://www.mdpi.com/2076-3417/8/4/609 |
| article html file updated | 21 August 2025 19:56 CEST | Update | N/A |
| article html file updated | 9 February 2020 13:31 CET | Update | N/A |
| article html file updated | 2 October 2019 12:59 CEST | Update | N/A |
| article html file updated | 1 May 2019 04:06 CEST | Update | N/A |
| article html file updated | 17 April 2019 04:26 CEST | Update | N/A |
| article html file updated | 29 March 2019 14:57 CET | Update | N/A |
| article html file updated | 2 May 2018 14:46 CEST | Update | N/A |
| article html file updated | 12 April 2018 10:55 CEST | Original file | N/A |
| article xml uploaded. | 12 April 2018 10:54 CEST | Update | https://www.mdpi.com/2076-3417/8/4/609/xml |
| article pdf uploaded. | 12 April 2018 10:54 CEST | Version of Record | https://www.mdpi.com/2076-3417/8/4/609/pdf |
