function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Agís, José Ansín & Vervoort, Willem & Ramil, Fran', 4],
    ['Andrade-Sorcia, Gabriela & Riosmena-Rodríguez, Rafael', 5],
    ['Calder, Dale R.', 5],
    ['Coppejans, Eric & Leliaert, Frederik & Verbruggen, Heroen', 18],
    ['Cruz Da Silva, Estevam L. & Carico, James E.', 26],
    ['Galea, Horia R. & Gioia Di Camillo, Cristina & Maggioni, Davide', 6],
    ['Jarvis, Charlie', 45],
    ['Kwan, Valerie & Yip, Zhi Ting & Fong, Jenny & Huang, Danwei', 4],
    ['Marletta, Giuliana & Lombardo, Andrea', 9],
    ['Pagana, Ilaria & Marroccia, Genny & Marletta, Giuliana', 6],
    ['Santiañez, Wilfred John E. & Lastimoso, John Michael L.', 4],
    ['Serio, Donatella & Furnari, Giovanni', 4],
    ['Sruoga, Virginijus', 6],
    ['Tu, Nguyen Van', 6],
    ['Xue, Xiao-Feng & Song, Zi-Wei & Hong, Xiao-Yue', 4],
    ['Other (25)', 36]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=188)',
    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);