function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angulo, Arturo', 2],
    ['Angulo, Arturo & Betts, Joel T. & González-Alemán, Néstor J.', 3],
    ['Edwards, A. J. & Gill, A. C. & Abohweyere, P. O.', 2],
    ['Golani, Daniel & Fricke, Ronald', 1],
    ['Hoffmann, Matthias & Britz, Ralf', 1],
    ['Jamandre, Brian Wade', 1],
    ['LARSON, HELEN K. & WILLIAMS, REX S. & HAMMER, MICHAEL P.', 1],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Linnaeus, Carolus', 1],
    ['Love, Milton S. & Bizzarro, Joseph J. & Cornthwaite, Maria', 1],
    ['Marcia Salustiano de Castro & Ana Cristina Teixeira Bonecker', 1],
    ['Mcbride, Richard S. & Rocha, Claudia R. & Ruiz-Carus, Ramon', 1],
    ['Smith-Vaniz, William F. & Jelks, Howard L.', 1],
    ['Stringer, Gary L. & Sloan, James Carson', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=18)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);