function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abdala, F. & Neveling, J. & Welman, J.', 1],
    ['Abdala, F. & Ribeiro, A. M.', 2],
    ['Abdala, Fernando & Ribeiro, Ana Maria', 3],
    ['Bento Soares, Marina & Abdala, Fernando', 1],
    ['Botha, J. & Abdala, F. & Smith, R.', 1],
    ['Botha-Brink, Jennifer & Angielczyk, Kenneth D.', 13],
    ['Fröbisch, Jörg', 2],
    ['Fröbisch, Jörg & Reisz, Robert R.', 2],
    ['Gao, Ke-Qin & Fox, Richard C. & Zhou, Chang-Fu & Li, Da-Qing', 2],
    ['Huttenlocker, Adam', 4],
    ['Kammerer, Christian F. & Angielczyk, Kenneth D.', 10],
    ['Liu, Jun & Powell, Jaime', 4],
    ['Macungo, Zanildo & Benoit, Julien & Fernandez, Vincent', 5],
    ['Oliveira, Téo Veiga De & Schultz, Cesar Leandro', 2],
    ['Velazco, PaúL M. & Buczek, Alexandra J. & Novacek, Michael J.', 4],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=62)',
    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);