| article xml uploaded. | 22 December 2023 07:12 CET | Update | https://www.mdpi.com/2075-163X/4/2/399/xml |
| article xml uploaded. | 22 December 2023 07:06 CET | Update | - |
| article xml uploaded. | 22 December 2023 07:05 CET | Update | - |
| article xml uploaded. | 22 December 2023 05:07 CET | Update | - |
| article pdf uploaded. | 22 December 2023 05:07 CET | Updated version of record | https://www.mdpi.com/2075-163X/4/2/399/pdf |
| article html file updated | 15 July 2022 23:01 CEST | Update | https://www.mdpi.com/2075-163X/4/2/399 |
| article html file updated | 6 February 2020 09:00 CET | Update | - |
| article html file updated | 7 May 2019 15:04 CEST | Update | - |
| article html file updated | 21 March 2019 16:28 CET | Update | - |
| article html file updated | 20 August 2015 05:26 CEST | Update | - |
| article html file updated | 24 June 2014 12:21 CEST | Original file | - |
| article xml file uploaded | 24 June 2014 12:21 CEST | Original file | - |
| article pdf uploaded. | 2 May 2014 14:12 CEST | Version of Record | https://www.mdpi.com/2075-163X/4/2/399/pdf-vor |
