| article html file updated | 15 August 2026 15:20 CEST | Update | https://www.mdpi.com/2223-7747/8/2/28 |
| article html file updated | 30 August 2025 11:22 CEST | Update | N/A |
| article html file updated | 21 August 2025 20:28 CEST | Update | N/A |
| article html file updated | 20 July 2022 16:59 CEST | Update | N/A |
| article html file updated | 11 February 2020 10:54 CET | Update | N/A |
| article html file updated | 13 October 2019 19:12 CEST | Update | N/A |
| article html file updated | 27 April 2019 02:42 CEST | Update | N/A |
| article html file updated | 12 April 2019 22:39 CEST | Update | N/A |
| article html file updated | 3 April 2019 07:57 CEST | Update | N/A |
| article html file updated | 5 March 2019 05:56 CET | Update | N/A |
| article html file updated | 14 February 2019 02:47 CET | Update | N/A |
| article xml uploaded. | 14 February 2019 02:44 CET | Update | https://www.mdpi.com/2223-7747/8/2/28/xml |
| article xml uploaded. | 14 February 2019 02:44 CET | Update | N/A |
| article pdf uploaded. | 14 February 2019 02:44 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/2/28/pdf |
| article html file updated | 22 January 2019 17:04 CET | Original file | N/A |
| article supplementary file uploaded. | 22 January 2019 17:03 CET | - | https://www.mdpi.com/2223-7747/8/2/28#supplementary |
| article pdf uploaded. | 22 January 2019 17:03 CET | Version of Record | https://www.mdpi.com/2223-7747/8/2/28/pdf-vor |
| article xml uploaded. | 22 January 2019 17:03 CET | Update | N/A |
| article xml file uploaded | 22 January 2019 17:03 CET | Original file | N/A |
