function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bariche, Michel & Fricke, Ronald', 2],
    ['Bertaco, Vinicius A. & Azevedo, Marco A.', 1],
    ['Böhlke, James E.', 2],
    ['Carneiro, Miguel & Martins, Rogélia & Landi, Monica', 3],
    ['Chabanaud, P.', 5],
    ['Clark, H. W.', 1],
    ['Ginsburg, I.', 5],
    ['Ho, Hsuan-Ching & Shao, Kwang-Tsao', 3],
    ['Lee, Mao-Ying & Munroe, Thomas A.', 11],
    ['Lee, Mao-Ying & Munroe, Thomas A. & Chen, Hong-Ming', 2],
    ['Lee, Mao-Ying & Munroe, Thomas A. & Shao, Kwang-Tsao', 2],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 8],
    ['Mahadeva, M. N. & Munroe, Thomas A.', 3],
    ['Munroe, Thomas A.', 4],
    ['Munroe, Thomas A. & Nizinski, Martha S.', 2],
    ['Other (19)', 19]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=73)',
    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);