| article html file updated | 15 August 2026 06:20 CEST | Update | https://www.mdpi.com/2227-7390/6/9/147 |
| article html file updated | 30 August 2025 06:18 CEST | Update | N/A |
| article html file updated | 17 July 2022 01:26 CEST | Update | N/A |
| article html file updated | 10 February 2020 07:18 CET | Update | N/A |
| article html file updated | 29 April 2019 13:37 CEST | Update | N/A |
| article html file updated | 15 April 2019 09:06 CEST | Update | N/A |
| article html file updated | 31 March 2019 11:10 CEST | Update | N/A |
| article html file updated | 15 November 2018 08:32 CET | Update | N/A |
| article xml uploaded. | 15 November 2018 08:31 CET | Update | https://www.mdpi.com/2227-7390/6/9/147/xml |
| article xml uploaded. | 15 November 2018 08:31 CET | Update | N/A |
| article xml uploaded. | 15 November 2018 08:31 CET | Update | N/A |
| article pdf uploaded. | 15 November 2018 08:31 CET | Updated version of record | https://www.mdpi.com/2227-7390/6/9/147/pdf |
| Correction published | 15 November 2018 00:00 CET | Correction | http://www.mdpi.com/2227-7390/6/11/252 |
| article html file updated | 25 September 2018 12:26 CEST | Update | N/A |
| article html file updated | 23 August 2018 15:04 CEST | Original file | N/A |
| article pdf uploaded. | 23 August 2018 15:02 CEST | Version of Record | https://www.mdpi.com/2227-7390/6/9/147/pdf-vor |
| article xml file uploaded | 23 August 2018 15:02 CEST | Update | N/A |
| article xml uploaded. | 23 August 2018 15:02 CEST | Original file | N/A |
