function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ahyong, Shane T.', 4],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 3],
    ['Carmona-Suárez, Carlos & Poupin, Joseph', 9],
    ['Castro, Peter', 7],
    ['Coelho, Petrônio Alves & Almeida, Alexandre Oliveira De', 7],
    ['Filho, Petrônio Alves Coelho', 3],
    ['Forges, Bertrand Richer De & Ng, Peter K. L.', 10],
    ['Forges, Bertrand Richer De & Ng, Peter K. L. & Ahyong, Shane T.', 3],
    ['Froglia, Carlo & Clark, Paul F.', 7],
    ['Guerao, Guillermo & Abelló, Pere', 3],
    ['Mendonça, Luana M. C. & Guimarães, Carmen R. P.', 6],
    ['Muñoz, Isabel & García-Isarch, Eva & Cuesta, Jose A.', 4],
    ['Ng, Peter K. L. & Forges, Bertrand Richer De & Lee, Bee Yan', 6],
    ['Spiridonov, Vassily A. & Simakova, Ulyana V. & Anosov, Sergey E.', 4],
    ['Wicksten, Mary K.', 4],
    ['Other (31)', 42]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=122)',
    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);