| article html file updated | 30 August 2025 07:20 CEST | Update | https://www.mdpi.com/2077-1312/6/4/111 |
| article html file updated | 17 July 2022 03:44 CEST | Update | - |
| article html file updated | 10 February 2020 13:17 CET | Update | - |
| article html file updated | 8 October 2019 10:43 CEST | Update | - |
| article html file updated | 29 April 2019 01:13 CEST | Update | - |
| article html file updated | 14 April 2019 20:32 CEST | Update | - |
| article html file updated | 31 March 2019 23:51 CEST | Update | - |
| article html file updated | 26 December 2018 11:17 CET | Update | - |
| article html file updated | 28 September 2018 13:16 CEST | Original file | - |
| article pdf uploaded. | 28 September 2018 11:53 CEST | Version of Record | https://www.mdpi.com/2077-1312/6/4/111/pdf |
| article xml uploaded. | 28 September 2018 11:53 CEST | Update | https://www.mdpi.com/2077-1312/6/4/111/xml |
| article xml file uploaded | 28 September 2018 11:53 CEST | Original file | - |
