function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acosta Hospitaleche, Carolina & Gelfo, Javier', 2],
    ['Audubon, John James', 1],
    ['Barcelos, Luis MD & Rodrigues, Pedro R & Bried, Joel', 2],
    ['Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L.', 4],
    ['Gray, George Robert', 1],
    ['Lima, Rafael Dantas & Silveira, Luís Fábio', 1],
    ['Linnaeus, Carolus', 3],
    ['Mourer-Chauviré, Cécile & Geraads, Denis', 4],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Reichenbach, Heinrich Gottlieb Ludwig', 1],
    ['Rothschild, Walter', 1],
    ['Schodde, Richard & Tennyson, Alan J. D. & Groth, Jeff G.', 1],
    ['Somenzari, Marina & Amaral, Priscilla Prudente do', 2],
    ['Sánchez-Montes, Sokani & Colunga-Salas, Pablo', 1],
    ['Temminck, Coenraad Jacob', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=27)',
    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);