| article html file updated | 30 August 2025 04:20 CEST | Update | https://www.mdpi.com/2076-3387/8/2/20 |
| article html file updated | 16 July 2022 21:11 CEST | Update | N/A |
| article html file updated | 9 February 2020 20:27 CET | Update | N/A |
| article html file updated | 4 October 2019 07:51 CEST | Update | N/A |
| article html file updated | 30 April 2019 13:24 CEST | Update | N/A |
| article html file updated | 16 April 2019 14:01 CEST | Update | N/A |
| article html file updated | 16 April 2019 08:23 CEST | Update | N/A |
| article html file updated | 30 March 2019 08:04 CET | Update | N/A |
| article html file updated | 27 June 2018 09:07 CEST | Update | N/A |
| article html file updated | 6 June 2018 08:48 CEST | Original file | N/A |
| article pdf uploaded. | 6 June 2018 08:47 CEST | Version of Record | https://www.mdpi.com/2076-3387/8/2/20/pdf |
| article xml uploaded. | 6 June 2018 08:47 CEST | Update | https://www.mdpi.com/2076-3387/8/2/20/xml |
| article xml file uploaded | 6 June 2018 08:47 CEST | Original file | N/A |
