| article html file updated | 30 August 2025 03:03 CEST | Update | https://www.mdpi.com/2079-9721/6/1/22 |
| article html file updated | 21 August 2025 19:44 CEST | Update | - |
| article html file updated | 9 February 2020 10:11 CET | Update | - |
| article html file updated | 1 October 2019 17:15 CEST | Update | - |
| article html file updated | 1 May 2019 11:01 CEST | Update | - |
| article html file updated | 17 April 2019 10:51 CEST | Update | - |
| article html file updated | 29 March 2019 07:18 CET | Update | - |
| article html file updated | 27 March 2018 14:47 CEST | Update | - |
| article html file updated | 17 March 2018 09:37 CET | Update | - |
| article xml uploaded. | 17 March 2018 09:36 CET | Update | https://www.mdpi.com/2079-9721/6/1/22/xml |
| article pdf uploaded. | 17 March 2018 09:36 CET | Updated version of record | https://www.mdpi.com/2079-9721/6/1/22/pdf |
| article html file updated | 17 March 2018 04:12 CET | Original file | - |
