| article html file updated | 30 August 2025 05:13 CEST | Update | https://www.mdpi.com/2227-9032/6/3/81 |
| article html file updated | 16 July 2022 23:05 CEST | Update | - |
| article html file updated | 10 February 2020 01:04 CET | Update | - |
| article html file updated | 5 October 2019 12:56 CEST | Update | - |
| article html file updated | 30 April 2019 02:54 CEST | Update | - |
| article html file updated | 15 April 2019 22:14 CEST | Update | - |
| article html file updated | 30 March 2019 19:44 CET | Update | - |
| article html file updated | 22 September 2018 14:02 CEST | Update | - |
| article html file updated | 2 August 2018 08:27 CEST | Update | - |
| article html file updated | 19 July 2018 07:51 CEST | Update | - |
| article xml uploaded. | 19 July 2018 07:50 CEST | Update | https://www.mdpi.com/2227-9032/6/3/81/xml |
| article pdf uploaded. | 19 July 2018 07:50 CEST | Updated version of record | https://www.mdpi.com/2227-9032/6/3/81/pdf |
| article html file updated | 12 July 2018 12:25 CEST | Original file | - |
| article pdf uploaded. | 12 July 2018 12:24 CEST | Version of Record | https://www.mdpi.com/2227-9032/6/3/81/pdf-vor |
| article xml file uploaded | 12 July 2018 12:24 CEST | Original file | - |