function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amon, Diva J & Ziegler, Amanda F & Drazen, Jeffrey C', 2],
    ['Chakraborty, Sandeep & Maruthanayagam, Veerabadhran', 3],
    ['Dvořák, Petr & Hindák, František & Hašler, Petr', 2],
    ['Gkelis, Spyros & Ourailidis, Iordanis & Panou, Manthos', 802],
    ['Gupta, Pratibha', 14],
    ['Hauer, Tomáš & Bohunická, Markéta & Mühlsteinová, Radka', 2],
    ['Jarvis, Charlie', 6],
    ['Jr, Watson Arantes Gama & Iv, Haywood Dail Laughinghouse', 59],
    ['Kaštovský, Jan & Gomez, Esther Berrendero & Hladil, Jindřich', 2],
    ['Luz, Ruben & Cordeiro, Rita & Fonseca, Amelia', 187],
    ['Mikhailyuk, Tatiana & Vinogradova, Oksana & Holzinger, Andreas', 3],
    ['Novis, Phil M. & Visnovsky, Gabriel', 7],
    ['Sant’Anna, Célia L. & Kaštovský, Jan & Hentschke, Guilherme S.', 6],
    ['Sokoloff, Paul C. & Freebury, Colin E. & Hamilton, Paul B.', 2],
    ['Tihelka, Erik & Jäch, Manfred A. & Kundrata, Robin & Li, Yan-Da', 3],
    ['Other (7)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1108)',
    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);