function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borrero, Francisco J. & Breure, Abraham S. H.', 81],
    ['Breure, Abraham S. H.', 15],
    ['Breure, Abraham S. H. & Ablett, Jonathan D.', 2],
    ['Breure, Abraham S. H. & Araujo, Rafael', 5],
    ['Breure, Abraham S. H. & Avila, Valentin Mogollon', 27],
    ['Breure, Abraham S. H. & Borrero, Francisco J.', 1],
    ['Breure, Abraham S. H. & Schlögl, Jan', 4],
    ['Cavallari, Daniel C. & Dornellas, Ana Paula S.', 2],
    ['de Lima, Marcos Silva & Silva, Fernanda dos Santos', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=138)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);