| article html file updated | 24 December 2025 16:46 CET | Update | https://www.mdpi.com/1422-0067/21/1/6 |
| article html file updated | 31 August 2025 06:51 CEST | Update | N/A |
| article html file updated | 19 July 2022 21:25 CEST | Update | N/A |
| article html file updated | 14 February 2020 19:41 CET | Update | N/A |
| article html file updated | 16 January 2020 07:13 CET | Update | N/A |
| article html file updated | 20 December 2019 08:33 CET | Update | N/A |
| article pdf uploaded. | 20 December 2019 08:31 CET | Updated version of record | https://www.mdpi.com/1422-0067/21/1/6/pdf |
| article xml uploaded. | 20 December 2019 08:31 CET | Update | https://www.mdpi.com/1422-0067/21/1/6/xml |
| article xml file uploaded | 20 December 2019 08:31 CET | Update | N/A |
| article html file updated | 18 December 2019 11:23 CET | Original file | N/A |
| article supplementary file uploaded. | 18 December 2019 11:21 CET | - | https://www.mdpi.com/1422-0067/21/1/6#supplementary |
| article pdf uploaded. | 18 December 2019 11:21 CET | Version of Record | https://www.mdpi.com/1422-0067/21/1/6/pdf-vor |
| article xml uploaded. | 18 December 2019 11:21 CET | Update | N/A |
| article xml file uploaded | 18 December 2019 11:21 CET | Original file | N/A |
