| article html file updated | 30 August 2025 02:24 CEST | Update | https://www.mdpi.com/2076-3425/8/2/21 |
| article html file updated | 16 July 2022 08:51 CEST | Update | N/A |
| article html file updated | 9 February 2020 04:35 CET | Update | N/A |
| article html file updated | 30 September 2019 06:59 CEST | Update | N/A |
| article html file updated | 1 May 2019 23:02 CEST | Update | N/A |
| article html file updated | 17 April 2019 21:41 CEST | Update | N/A |
| article html file updated | 28 March 2019 18:52 CET | Update | N/A |
| article html file updated | 14 March 2018 08:33 CET | Update | N/A |
| article html file updated | 27 January 2018 10:45 CET | Original file | N/A |
| article xml uploaded. | 27 January 2018 10:43 CET | Update | https://www.mdpi.com/2076-3425/8/2/21/xml |
| article xml uploaded. | 27 January 2018 10:43 CET | Original file | N/A |
| article pdf uploaded. | 27 January 2018 10:43 CET | Version of Record | https://www.mdpi.com/2076-3425/8/2/21/pdf |