function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bariche, Michel & Fricke, Ronald', 2],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 4],
    ['Golani, Daniel', 1],
    ['Goren, Menachem & Galil, Bella S.', 1],
    ['Hubbs, Carl L. & Iwamoto, Tomio', 1],
    ['Iwamoto, Tomio', 2],
    ['Iwamoto, Tomio & Anderson, M. Eric', 1],
    ['Iwamoto, Tomio & Williams, A.', 3],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 4],
    ['McCann, Yule Mervyn Charles & McKnight, Donald George', 2],
    ['Melo, Marcelo R. S. & Braga, Adriana C. & Nunan, Gustavo W. A.', 2],
    ['Nakayama, Naohide', 7],
    ['Nakayama, Naohide & Endo, Hiromitsu', 1],
    ['Nurettin Meriç & Lütfiye Eryilmaz & Müfit Özulug', 2],
    ['Okamura, Osamu', 1],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=39)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);