1 January 2016 - 1 January 2021
| DOI | https://doi.org/10.48597/SXTQ-QHR5 |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2021 |
| Valid since | 28 October 2021 12:50:22 |
| DOI | https://doi.org/10.48597/SXTQ-QHR5 |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2021 |
| Valid since | 28 October 2021 12:50:22 |
| DOI | https://doi.org/10.48597/2CYY-F2AE |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2020 |
| Valid from | 4 November 2020 13:19:30 |
| Valid to | 28 October 2021 12:50:22 |
| DOI | https://doi.org/10.48597/QAG2-V9VA |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2019 |
| Valid from | 3 September 2019 14:09:36 |
| Valid to | 4 November 2020 13:19:30 |
| DOI | https://doi.org/10.48597/XB3H-EJDK |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2019 |
| Valid from | 30 August 2019 10:44:40 |
| Valid to | 3 September 2019 14:09:36 |
| DOI | https://doi.org/10.48597/QFAM-8XFA |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2018 |
| Valid from | 10 December 2018 13:30:00 |
| Valid to | 30 August 2019 10:44:40 |
| DOI | https://doi.org/10.48597/5HUM-PQ3U |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2018 |
| Valid from | 30 October 2018 13:12:26 |
| Valid to | 10 December 2018 13:30:00 |
| DOI | https://doi.org/10.48597/K5BX-FHYP |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2018 |
| Valid from | 26 October 2018 08:43:00 |
| Valid to | 30 October 2018 13:12:26 |
| DOI | https://doi.org/10.48597/RMYH-YESQ |
|---|---|
| Start time | 1 January 2016 |
| Stop time | 1 January 2017 |
| Valid from | 24 August 2017 05:49:17 |
| Valid to | 26 October 2018 08:43:00 |