| article html file updated | 30 August 2025 02:09 CEST | Update | https://www.mdpi.com/1999-4915/10/1/21 |
| article html file updated | 16 July 2022 08:19 CEST | Update | N/A |
| article html file updated | 9 February 2020 01:56 CET | Update | N/A |
| article html file updated | 29 September 2019 15:58 CEST | Update | N/A |
| article html file updated | 2 May 2019 04:33 CEST | Update | N/A |
| article html file updated | 18 April 2019 02:37 CEST | Update | N/A |
| article html file updated | 28 March 2019 12:58 CET | Update | N/A |
| article html file updated | 2 February 2018 09:58 CET | Update | N/A |
| article html file updated | 4 January 2018 04:09 CET | Original file | N/A |
| article xml uploaded. | 4 January 2018 04:08 CET | Original file | https://www.mdpi.com/1999-4915/10/1/21/xml |
| article pdf uploaded. | 4 January 2018 04:08 CET | Version of Record | https://www.mdpi.com/1999-4915/10/1/21/pdf |
