| article html file updated | 30 August 2025 02:55 CEST | Update | https://www.mdpi.com/2076-3271/6/1/22 |
| article html file updated | 21 August 2025 19:39 CEST | Update | N/A |
| article html file updated | 9 February 2020 09:02 CET | Update | N/A |
| article html file updated | 1 October 2019 09:06 CEST | Update | N/A |
| article html file updated | 1 May 2019 13:27 CEST | Update | N/A |
| article html file updated | 17 April 2019 13:06 CEST | Update | N/A |
| article html file updated | 29 March 2019 04:48 CET | Update | N/A |
| article html file updated | 28 March 2018 10:23 CEST | Update | N/A |
| article html file updated | 8 March 2018 07:28 CET | Original file | N/A |
| article xml uploaded. | 8 March 2018 07:27 CET | Original file | https://www.mdpi.com/2076-3271/6/1/22/xml |
| article pdf uploaded. | 8 March 2018 07:27 CET | Version of Record | https://www.mdpi.com/2076-3271/6/1/22/pdf |
