function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barcelos, Luis MD & Rodrigues, Pedro R & Bried, Joel', 40],
    ['Burns, Kevin J. & Unitt, Philip & Mason, Nicholas A.', 2],
    ['Castro-Vargas, Fernando & Cruz-Mendivelso, Yerson', 1],
    ['Cibois, Alice & Vallotton, Laurent & Othman, Nagwa', 1],
    ['Cremonte, Florencia & Drago, Fabiana B.', 1],
    ['Cuervo, Andrés M. & Céspedes Arias, Laura N.', 6],
    ['Fernandez, Juan Manuel & Thomann, Luz & Fandiño, Blas', 3],
    ['LeCroy, Mary', 45],
    ['Machado, Tatiana Lemos da Silva & Marques de Oliveira, Uéslei', 1],
    ['Mlíkovský, Jiří & Frahnert, Sylke', 2],
    ['Rafinesque, Constantine Samuel', 2],
    ['Somenzari, Marina & Amaral, Priscilla Prudente do', 2],
    ['Swainson, William', 3],
    ['Sánchez-Montes, Sokani & Colunga-Salas, Pablo', 1],
    ['Vieillot, Louis Pierre', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=111)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);