gistfile1.js

  			var guarantorFetchedPromise = $.Deferred();
			var collateralFetchedPromise = $.Deferred();

			this.guarantorCollection.fetch({
				success: guarantorFetchedPromise.resolve,
				error: guarantorFetchedPromise.reject
			})
			this.collateralCollection.fetch({
				success: collateralFetchedPromise.resolve,
				error: collateralFetchedPromise.reject
			})

			$.when(guarantorFetchedPromise, collateralFetchedPromise)
				.then(_.bind(this.renderSubviews, this), _.bind(this.error, this))