| article html file updated | 30 August 2025 02:04 CEST | Update | https://www.mdpi.com/1422-0067/19/1/2 |
| article html file updated | 16 July 2022 08:09 CEST | Update | N/A |
| article html file updated | 9 February 2020 01:07 CET | Update | N/A |
| article html file updated | 29 September 2019 11:15 CEST | Update | N/A |
| article html file updated | 2 May 2019 06:18 CEST | Update | N/A |
| article html file updated | 18 April 2019 04:16 CEST | Update | N/A |
| article html file updated | 28 March 2019 10:58 CET | Update | N/A |
| article html file updated | 2 February 2018 09:21 CET | Update | N/A |
| article html file updated | 25 December 2017 05:37 CET | Original file | N/A |
| article xml uploaded. | 25 December 2017 05:35 CET | Update | https://www.mdpi.com/1422-0067/19/1/2/xml |
| article xml uploaded. | 25 December 2017 05:35 CET | Update | N/A |
| article xml uploaded. | 25 December 2017 05:35 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2017 05:35 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/2/pdf |
