function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acevedo, Aldemar A. & Wake, David B. & Márquez, Roberto', 2],
    ['Acosta Galvis, Andrés Rymel', 1],
    ['Acosta Galvis, Andrés Rymel & Hoyos, Julio Mario', 1],
    ['Acosta Galvis, Andrés Rymel & Restrepo, Ana Eugenia', 1],
    ['Batista, Abel & Köhler, Gunther & Mebert, Konrad & Vesely, Milan', 1],
    ['Bolaños, Federico & Wake, David B.', 2],
    ['Boza-Oviedo, Eduardo & Rovito, Sean M. & Chaves, Gerardo', 2],
    ['Brcko, Isabela Carvalho & Hoogmoed, Marinus Steven', 6],
    ['Camper, Jeffrey D. & Torres-Carvajal, Omar & Ron, Santiago R.', 1],
    ['Cruz-Rodríguez, Cristian & Lynch, John D. & Cárdenas, Julieth S.', 3],
    ['Dahinten-Bailey, Hellen & Serrano, Marcelo J.', 1],
    ['García-Gutiérrez, Javier & Escalona, Moisés & Mora, Andrés', 1],
    ['Hanken, James & Wake, David B. & Savage, Jay M.', 3],
    ['Hertz, Andreas & Lotzkat, Sebastian & Köhler, Gunther', 1],
    ['Kubicki, Brian & Arias, Erick', 1],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=36)',
    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);