function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Goding, Frederic W.', 1],
    ['Goemans, Geert', 15],
    ['Maccagnan, Douglas Henrique Bottura & Martinelli, Nilza Maria', 1],
    ['Maes, Jean-Michel & Moulds, Max & Sanborn, Allen F.', 1],
    ['Powell, Erin C. & Halbert, Susan E. & Deeter, Lily', 1],
    ['Salazar E., Julián A.', 3],
    ['Salazar, Julián A. & Sanborn, Allen', 1],
    ['Sanborn, Allen F.', 50],
    ['Sanborn, Allen F. & Heath, Maxine S.', 3],
    ['Thouvenot, Marc', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=77)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);