function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Boulard, Michel & Puissant, Stéphane', 4],
    ['Davis, W. T.', 1],
    ['Hill, Kathy B. R. & Marshall, David C.', 1],
    ['Mozaffarian, Fariba', 1],
    ['Sanborn, Allen F.', 47],
    ['Sanborn, Allen F. & Phillips, Polly K. & Gilllis, Philip', 13],
    ['Stucky, Brian J.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=68)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 7, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);