function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alvarez, J.', 2],
    ['Bean, T. H.', 2],
    ['Cantalice, Kleyton Magno & Martinez-Melo, Alejandra', 1],
    ['Domínguez-Domínguez, Omar & Bernal-Zuñiga, Dulce María', 2],
    ['Eigenmann, C. H.', 1],
    ['Fitzsimons, J. M.', 1],
    ['Hubbs, Carl L.', 2],
    ['Hubbs, Carl L. & Turner, C. L.', 7],
    ['Jordan, David Starr', 1],
    ['Jordan, David Starr & Gilbert, Charles H.', 1],
    ['Jordan, David Starr & Snyder, John Otterbein', 2],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 2],
    ['Miller, R. R. & Fitzsimons, J. M.', 2],
    ['Smith, M. L. & Miller, R. R.', 3],
    ['de Buen, F.', 3],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=42)',
    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);