| article html file updated | 30 August 2025 07:10 CEST | Update | https://www.mdpi.com/2075-4426/8/4/31 |
| article html file updated | 17 July 2022 03:18 CEST | Update | N/A |
| article html file updated | 10 February 2020 12:17 CET | Update | N/A |
| article html file updated | 8 October 2019 04:40 CEST | Update | N/A |
| article html file updated | 29 April 2019 03:03 CEST | Update | N/A |
| article html file updated | 14 April 2019 22:32 CEST | Update | N/A |
| article html file updated | 31 March 2019 21:43 CEST | Update | N/A |
| article html file updated | 26 December 2018 06:05 CET | Update | N/A |
| article html file updated | 22 September 2018 09:57 CEST | Original file | N/A |
| article pdf uploaded. | 22 September 2018 09:56 CEST | Updated version of record | https://www.mdpi.com/2075-4426/8/4/31/pdf |
| article xml uploaded. | 22 September 2018 09:56 CEST | Update | https://www.mdpi.com/2075-4426/8/4/31/xml |
| article xml file uploaded | 22 September 2018 09:56 CEST | Update | N/A |
| article pdf uploaded. | 21 September 2018 15:32 CEST | Updated version of record | https://www.mdpi.com/2075-4426/8/4/31/pdf-vor |
| article pdf uploaded. | 21 September 2018 15:18 CEST | Version of Record | https://www.mdpi.com/2075-4426/8/4/31/pdf-vor |
| article xml file uploaded | 21 September 2018 15:18 CEST | Original file | N/A |
