Thanks, Scott. We ended 2012 with approximately $75 million in cash, cash equivalents and short-term investments, which is above our guidance of $68 million to $73 million, largely due to timing differences related to clinical trial costs. We continue to expect that these funds, combined with reimbursements due from Teva under our Collaboration Agreement will be sufficient to fund our operations into 2015. As part of the Teva agreement, we received an advance reimbursement of $30 million for funding of certain custirsen clinical development activities. As of the end of the year, our commitment was fulfilled. Going forward, costs associated with custirsen's development will be reimbursed by Teva on a quarterly basis. Revenue for the fourth quarter of 2012 increased to $9.8 million compared with $1.2 million for the prior year quarter. Revenue for the year ended December 31, 2012, increased to $20.1 million compared with $5.5 million for the same period in 2011. The increase in both periods was due to revenue earned through our collaboration with Teva, largely resulting from the initiation of the AFFINITY trial in August of 2012. Total operating expenses for the fourth quarter increased to $16 million compared with $9.2 million in 2011. Total operating expenses for 2012 increased to $46 million compared with $27.8 million for 2011. The increase in both periods was primarily due to higher clinical study expenses associated with the startup of the AFFINITY trial, patient enrollment in Borealis 1, OGX-427 manufacturing costs, increased headcount to support our clinical development activities and stock-based compensation expense. Operating expenses in 2012 included a noncash gain on our excess lease liability of $1.7 million. Net loss for the fourth quarter of 2012 was $4.1 million or $0.28 per diluted common share compared with $9.6 million or $0.98 per diluted common share for the prior year quarter. Net loss for the year ended December 31, 2012, was $21.1 million or $1.56 per diluted common share compared with $14.7 million or $1.51 per diluted common share for the same period in 2011. Net losses in 2012 and 2011 included a noncash gain on revaluation of our warrant liability of $4.5 million and $7.4 million, respectively. Before completing our financial review, I'd like to provide guidance for 2013. Net cash requirements are expected to be in the range of $40 million to $50 million, reflecting AFFINITY costs, which is reimbursed by Teva quarterly in arrears, and completion of patient enrollment in Borealis 1. Year-end cash, cash equivalents and investments are expected to be in the range of $25 million to $35 million. This guidance reflects our continued development of custirsen under our Teva agreement, as well as our development activities for our proprietary asset, OGX-427, soon to be in 4 randomized Phase II studies. Thank you again for joining us, and I will now turn the call back over to the operator to open the line for questions. Operator?