| article html file updated | 30 August 2025 04:42 CEST | Update | https://www.mdpi.com/2411-9660/2/3/21 |
| article html file updated | 16 July 2022 21:56 CEST | Update | N/A |
| article html file updated | 9 February 2020 22:17 CET | Update | N/A |
| article html file updated | 4 October 2019 19:26 CEST | Update | N/A |
| article html file updated | 30 April 2019 08:56 CEST | Update | N/A |
| article html file updated | 16 April 2019 03:56 CEST | Update | N/A |
| article html file updated | 30 March 2019 12:50 CET | Update | N/A |
| article html file updated | 25 June 2018 04:35 CEST | Update | N/A |
| article xml uploaded. | 25 June 2018 04:34 CEST | Update | https://www.mdpi.com/2411-9660/2/3/21/xml |
| article pdf uploaded. | 25 June 2018 04:27 CEST | Updated version of record | https://www.mdpi.com/2411-9660/2/3/21/pdf |
| article xml file uploaded | 25 June 2018 04:27 CEST | Update | N/A |
| article html file updated | 21 June 2018 11:29 CEST | Original file | N/A |
| article pdf uploaded. | 21 June 2018 11:27 CEST | Version of Record | https://www.mdpi.com/2411-9660/2/3/21/pdf-vor |
| article xml file uploaded | 21 June 2018 11:27 CEST | Original file | N/A |